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7/24/2019 matematika masinski prijemni
1/58
, 2014.
7/24/2019 matematika masinski prijemni
2/58
: 34000
. 6
. (034) 335-867; 335-990; 336-000
: (034) 333-192
Web:www.fink.rs
: , , . .
: , ,
: ,
:
:
http://www.fink.rs/http://www.fink.rs/http://www.fink.rs/http://www.fink.rs/7/24/2019 matematika masinski prijemni
3/58
, , , . (, , , ). , ; ( , ). . . . . . . . . , , . . .
: (ax + b) (cx + d) 0
. . (). . , . (, ,, , ).
ax2+ bx + c 0 . ( ). (, , ). . (, , ). . . . . . ( , , n ).. (, , ).
, ; .
, , . . , , . , , (, , ).
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,, . , ; . . ; ; . .
; . , . . (, , ). , . , , . ; . , . .
; . .
( , ). ; ( ), . (y= sinx, y= cosx, y= tgx y= ctgx) y= asin (bx +c) y = a cos (bx + c). . ( , . . ; . .
, , , , , . . . . ., , , . (, , ); , , , . .
7/24/2019 matematika masinski prijemni
5/58
1
e a aa oj a a 1992. o.
J, 1992.
1.
ea x1x2 oe jeaex2+px + 2p
2= 0(p0). e eaaj jea, aax1
4+ x1
2
x22+ x2
4.
2. e e jeaaxy(x+y) = 30x
3+ y
3= 35
3. aee aoo oa a b.a eae ao a.
4. Ooa ae e je ao oao a oeo c o o o 60. o oeoe ooe ee ao a oe ooe oaea je aa oja a a ooe a ao o45
o. aa ae oae ae oj aa oea o e.
5. oaa a je:tg + 2 tg2 + 4 tg4 + 8 tg8+ 16 tg16 = ctg
6. Oe jea eoejo ea ea ea aaoe y2 = 3x, oje aaaj a oo Oxao o 135o.
eea, 1992.
1.
Ao x1x2eea aae jeae x2 + (- 4)x(- 2) = 0,oe eaa aaea ao a jex1
2+ x2
2< 1.
2.
e jea: 23x + 2 = 22x+1+ 2x.
3.
jeaoa ae aa je a. aa oa e a aea a je e pq.aa o aea.
4.
Ooe e ae oae aee ae ab.oa aa aa je ea eojoo o o o 60o. aa ae aee ae.
5.
e jea: 0sin2sin2
3 2 xx
6. a jea e oja oa o aA(-3, -2) oje x o a B(3, 0).
7/24/2019 matematika masinski prijemni
6/58
2
, 1993.
1.
) aa:1
10
1
52
11
xx
x
x
x
x
x:
) e ejea: 014
42
x
2. : log5 (24 +5
1-x) =x + 1
3.
B = 2R M AB N.
AN = X 2
2
3232
RMNAN
4.
r . .5.
: 3 sin3xcos 6x= 1
6.
p1: 2x3y3 = 0 p2: 2x+ 3y9 = 0.) p1p2 y- .) p p1 p2 p1.
, 1994.
1.
1:2/12/12/1
2/32/3
5,0
27
2
9
1:
13
baba
ba
ba
2. ) : log6 (3xx+ 6) > x-x log6 2) . 2 2, 16. .
2.
BC - = 2 ) ) , C =C. C ECB.
4.
BCD B, C. V1 V2 . V1: V2= 9 : 3
1/2.
7/24/2019 matematika masinski prijemni
7/58
3
5.
y =2x + a
x2+ y
210x+ 4y+ 9 = 0
, 1995.
1.
)3
1
41 9
3
1:3
;
) 125432
7
22
3
12
2
.
2.
133 1log12log
xx 1.
3.
= 10 cm, 60 45, h= 3cm.
4.
1 : 4 : 5, 12 cm. .
5.
:2
3cossin 44 xx .
6.
044222 yxyx (-2, 1)
.
, 1995.
1.
p q : 02 qpxx p q.
2.
: 3525 232 xx .
3.
90 (2- 4) cm2. .
7/24/2019 matematika masinski prijemni
8/58
4
4.
V.
5.
sin 2, 03tg7tg2 2 , : .
6.
3x+py- 12 = 0 p, 5.
, 1996.
1.
23
1:
820
2
25
1
.
2.
xx 154log5 .
3.
B ABCD BC. AB, CM DM.
4.
a 11
12a ,
. .
5.
) sin 3x sinx.
) sin 3x- 2 sinx= 0.
6.
(2, -5) x- 2y - 7= 0. AB AD .
, 1996.
1.
k
0152 2 xkxk .
2.
73log3log2 3 xx .
7/24/2019 matematika masinski prijemni
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5
3.
12 cm2.
4.
l 30. .
5.
xxx 2sin22cossin2 2 .
6.
y2= 9x 3x-y - 6 = 0.
, 1997.
1.
)
3
13
1322
2
)
27log
1
7log
1
252
2. : 0433 1 xx
3.
, 54, R=5 cm.
4.
5 3 , 7 . , 60. .
5.
: xx
cos2
sin
6.
- (0,5)
010922422 yxyx
7/24/2019 matematika masinski prijemni
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6
, 1998.
1.
)
5
4
4
55
) 3 , 3 3 , 6 3 . .
2.
,
1loglog 22 bx xb , (b>1, b1, x1)
3. O 8 B BC . = 10, .
4.
3648 2 . , .
5.
tx2cos xx 66 cossin
6.
(0,-10) B(10,0) 542 22 yx . C(0,0) BC .
, 1998.
1.
2222
33 2
: yx
xy
yx
y
yxyx
yx
yx
2.
142
log xy i 22log6 xy
.
3.
9a cm, 2421 dd cm. .
4.
5 cm. ,
3:4, 8 cm. .
7/24/2019 matematika masinski prijemni
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7
5.
3
2cos52sin4
2cos32sin2
6.
(3,-1), 01852 yx 6.
, 2000.
1.
x1x2
012312 mxmx
m 111
21
xx
2.
641x44
log1x44
log
.
3.
a= 1, b = 2, c = 3.
4.
xR
xxx 6sin23cos3sin
5.
11 3 17.
815 cm3 , .
6.
(3, 2) 2xy + 6 = 0
, 2001.
1.
n
x
nxnxn
x
2
1
2
12
2
(n N)
7/24/2019 matematika masinski prijemni
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8
2.
012174 42 xx
3.
1cossin32sin3cos 22 xxxx
4.
.
,52 cmc 3:1.
5.
= 6 cm, H= 2
cm, cms 63
. .6.
C (3, -1)
2x5y +18 = 0 6. .
, 2002.
1.
: .01)5()2( 2 xkxk
2.
:
.73log3log2 3 xx
3.
:
.0sin23sin xx
4.
a=10 cm, 60 45 h=3 cm.
5.
. .
6.
(0,5) :
.010922422 yxyx
7/24/2019 matematika masinski prijemni
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9
, 2003.
1.
: x2+(m-4)x-m-4=0
m ?
2.
:
)3(log4
1log 3
31 xx
.
3.
:
1sin3cos xx
4.
ABC =45=30 )323(*6 .
.
5.
, .
6.
y=x a2 .
, 2004.
1.
m :
1
552
1)3(0
2
2
xx
xmx
?
2.
:
0183*79 xx
3.
:
.2
2sin)(sin)(sin
8
2
8
2 xxx
7/24/2019 matematika masinski prijemni
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10
4. ` C` , ABCD AD CD, A`B*A`D=A`C*A`C`.
5.
5 cm. , 3:4, 8 cm. .
6.
(): (1,d), (dR ) ().
, 2004.
1.
p, :
(p-2)x2+(p-5)x+1=0.
2.
a) rxqxpx abcba loglog,lo g , xclog .
) ba 3log,2log 55 , 100log45 .
3.
:
xx
x2sin1
tan1
tan1
4.
a=10 cm, 60 45, h=3cm.
5.
. , ?
6.
r=5, (8,7), 6.
, 2005.
1.
) : 03)1(22 xpx,
.
2?
7/24/2019 matematika masinski prijemni
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11
) :
512 x
2.
:
.05log8loglog 222 xx
3.
) : ,6
,6
cos,6
sin
tg :
.12
,12
cos,12
sin
tg
) tgx=a. sin2xi cos2x.
4.
S . M, A B. SM AB, 2a BS. SM.
5.
, 100 cm2, 16 cm2 . ?
6.
:
13636
22
xy
, 2005.
1.
: 012 mmxx . m .
2.
: .08*64 222 xx
3.
: 1cos3sin xx .
4.
ABCD AB=4cm, P=16cm2 =60. .
5.
1.
7/24/2019 matematika masinski prijemni
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12
6.
M(2,3) x-y+2=0.
, 2006.
1.
) :
4813532 .
) m, :
.01)5()2( 2 xmxm
2.
:
.058loglog22 xx
3.
) :.123 tgxxtgxtg
) :
.0cos2sin xx
4.
a=15cm, b=13cm R=8.125cm. :) ,) ,) .
5.
r . d , ?
6.
(-4,2)
, 2006.
1.
:
2
1
1
1
xx
x.
2.
:.12*174 42 xx
7/24/2019 matematika masinski prijemni
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13
3.
:
.
3
4 ctgxtgx
4.
1:3. 1cm, .
5.
, 24cm2,,16cm
2 12cm2. , .
6.
S(2,2), .22222 yxyx
7/24/2019 matematika masinski prijemni
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14
29. 2010.
180 . 6 . 10 . . .
1. 0,4 3 aaaa , :
() 4 9a ; () 2a ;() 4 11a ; () 4 7a ; () 6a .
2. 01cos2 x
3
2,
3
2 :
() 0; () 1; () 2; () 3; () 3.
3. 112
12
x
x:
()
,2
2
1,0 ; ()
2,
2
10, ; () ,20, ;
() ,2 ; ()
,2
2
1,0 .
4. cm2h
cm3 . ( 2cm ):
() 1; () 3 ; () 5; () 7; () 9.
5. cma ,
. :
() 4:3; () 8:3; () 3:32 ; () 3:34 ; () 1:32 .
6. O xOy
53 xy :
()2
3; ()
3
10; ()
2
5; ()
3
5; ()
2
10.
7/24/2019 matematika masinski prijemni
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15
:
1. 0,4 3 aaaa , :
() 4 9a ; () 2a ;() 4 11a ; () 4 7a ; () 6a .
2. 01cos2 x
3
2,
3
2 :
() 0; () 1; () 2; () 3; () 3.
3. 112
12
x
x:
()
,2
2
1,0 ; ()
2,
2
10, ; () ,20, ;
() ,2 ; ()
,2
2
1,0 .
4. cm2h
cm3 . ( 2cm ):
() 1; () 3 ; () 5; () 7; () 9.
5. cma ,
. :
() 4:3; () 8:3; () 3:32 ; () 3:34 ; () 1:32 .
6. O xOy
53 xy :
()2
3; ()
3
10; ()
2
5; ()
3
5; ()
2
10.
7/24/2019 matematika masinski prijemni
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16
-, 2010.
1. 0,4 949
4
324
4
3
2
11
4
3
2
14 3
aaaaaaaaaaa ,
() .
2. 01cos2 x
2
1cos x
Zkkkx
,2
3
4,2
3
2
3
2v
3
2 xx , 2 , ().
3. 112
12
x
x
012
1212
x
xx
012
22
x
xx
3
2
2
1
3
4
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17
,2
2
1,0 x , ().
4.
2)3(4 xa
24 xb
22 )32( xba
91244)3(4 222 xxxx
91244964 222 xxxxx
0862 2 xx
0432 xx
2
532,1
x , 4,1 21 xx .
1x
5c
52
25
2
hcP
2cm5P .
2
a
b
x
x+3.
xx 22
12 x
12
22
x
xx
0
0
0
2
2
2
1/2
1/2
1/2
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5.
32
32
2
322 2
2
11
a
aa
aMP
4
3
2422
2222
222
aaaa
aaMBP
3:344
3:3: 21 PP , ().
2
3a
a
2
a
2
3a
2
a
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19
6. 53 xy
6
25
2
355
ABOP
9
250
9
2525
3
55
2
22
AB ,
3
250AB
10
105
10
10
10
5
10
25
250
25
250
25
2
3
250
6
25 2
d
d
210d , ().
.
3
5
5
OA
B
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8. 2010.
180 . 6 . 10 . . .
1. 0,3 2361
aaaa , :
() 32 aa ; () 2a ;() 6 13a ; () 3 8a ; () 611
a .
2. 3055 21
xx
:
() 0; () 1; () -1; () 2; () 3.
3. 01135137 xx :
()
11
3,
13
5; ()
13
5,
11
3; ()
11
3,
13
5; ()
11
3, ; ()
,
13
5.
4. , . :
()2
33 ; () 33 ; () 36 ; ()8
33 ; () 1.
5. 8 . 19, :
() 4; () 20; () 21; () 24; () 29.
6. O xOy
53 xy :
()2
3; ()
3
10; ()
2
5; ()
3
5; ()
2
10.
7/24/2019 matematika masinski prijemni
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21
:
1. 0,3 2361
aaaa , :
() 32 aa ; () 2a ;() 6 13a ; () 3 8a ; () 611
a .
2. 3055 21 xx :
() 0; () 1; () -1; () 2; () 3.
3. 01135137 xx :
()
11
3,
13
5; ()
13
5,
11
3; ()
11
3,
13
5; ()
11
3, ; ()
,
13
5.
4. , . :
()
2
33; () 33 ; () 36 ; ()
8
33; () 1.
5. 8 . 19, :
() 4; () 20; () 21; () 24; () 29.
6. O xOy
53 xy :
() 2
3
; () 3
10
; () 2
5
; () 3
5
; () 2
10
.
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22
, 2010.
1. 31
231
36
37
614
6491
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61
3 2361
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() 32 aa
2. 3055 21 xx
5:/305555 2 xx
6555 xx
: 05 tx
tt
t /65
0562 tt
2
46
2
203662,1
t , 1,5 21 tt
55 x , 15 x
1x ,0
55 x
0x
101 , ().
3. 7:/01135137 xx
0113513 xx
13
5,
11
3x , ().
513sgn x
x113sgn
xx 113513sgn
113 115
113 115
7/24/2019 matematika masinski prijemni
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23
4. P
OP
KP
6
3ar
4
32aP
1236
3 222O
aarP
3
32
ard ,
629
3
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aada KKKK
2:333
1:
2
3
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4
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aa
PP K
2
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P, ().
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a
r
.
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6. 053:0,0;53: yxlOxyl
I : 2
10
10
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lOd
II :
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.
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OA
B
hc
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25
29. 2011.
180 . 6 . . 10 . . -1 .
1.
2222 9
2:
9
6
3
1
3
1
ba
bab
ba
b
baba
1a 2b :
) -2; ) 0; ) 1; ) 2; ) 3.
2. ABCD cm8AB cm4CD , AB
4
6
:
) 2cm12 ; ) 2cm6 ; ) 21)cm-36( ; ) 2cm)13(12 ; ) 2cm312 .
3. 023
42
x
x
x:
) 0; ) 1; ) 2; ) 3; ) 3.
4. )2,0( xx sin54cos2 2 :
) 1; ) 2; ) 3; ) 4; ) 4.
5. A(1,4) 0332 yx :
) 01132 yx ; ) 01132 yx ; ) 01123 yx ;
) 01123 yx ; ) 01123 yx .
6. cm54 . :
) 3cm3
325 ; ) 3cm
3
25; ) 3cm325 ; ) 3cm
27
40; ) 3cm
3
100.
7/24/2019 matematika masinski prijemni
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26
:
1. 2222 9
2:
9
6
3
1
3
1
ba
bab
ba
b
baba
1a 2b :
) -2; ) 0; ) 1; ) 2; ) 3.
2. ABCD cm8AB cm4CD , AB
4
6
:
) 2cm12 ; ) 2cm6 ; ) 21)cm-36( ; ) 2cm)13(12 ; ) 2cm312 .
3. 023
42
x
x
x:
) 0; ) 1; ) 2; ) 3; ) 3.
4. )2,0( xx sin54cos2 2 :
) 1; ) 2; ) 3; ) 4; ) 4.
5. A(1,4)
0332
yx
:
) 01132 yx ; ) 01132 yx ; ) 01123 yx ;
) 01123 yx ; ) 01123 yx .
6. cm54 . :
) 3cm3
325 ; ) 3cm
3
25; ) 3cm325 ; ) 3cm
27
40; ) 3cm
3
100.
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27
- 2011.
1.
2222 9
2:9
6
3
1
3
1
ba
bab
ba
b
babaI
bab
bbaba
bab
ba
ba
bbaba
2
633
2
9
9
633 22
22
bababb
2
12
2
12, 0b , 22 9ba , ab 2 .
1a 2b , 34
12
212
12
I .
: ) 3.
2.
AED , AE=ED=h. CFB CF=h, CB=2CF=2h
3h2
3CBFB .
8AB , 3h4h8 , . 431h , 132
31
314
31
31
31
4h
.
13121322
48h
2
baP
.
: ) 2cm1312 .
3. 023
42
x
x
x
0
3
3242
x
xxx
03
63242 2
x
xxxx
03
1032
x
xx
522
730103 212,1
2
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D C
hh 2h
h 3 h 4
45 30
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}4,5{,0
),2[)3,5[
x
Zxx
x
: ) 2.
4. 1sincos 22 xx ,
02sin5sin2sin54sin12sin54cos2 222 xxxxxx .
]1,1[,sin ttx . 0252 2 tt
2t 2
1t . 2t ]1,1[ ,
2
1sin x . ,
kx 26
Ztktx ,,26
5
.
1k 1t , 6
11x
6
7x
)2,0( .
: ) 2.
5. 323 xy , . 13
2 xy ,
2
3
32
1
k . ,
nxy 2
3. (1,4) , ,
n2
34 , .
2
11n .
2/02
11
2
3 xy
01123 yx . : )
6.
+
+
+
+ +
+
-5 -3 2
103sgn 2 xx
3sgn x
3
103sgn
2
x
xx
6
5
6
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54SR .
54R , .
20544
1
4
1 22 RM . SrM ,
5420 r , . 55
5
54
20r .
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3
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: ) 3cm
3
325.
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H
S
r
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7. 2011.
180 . 6 . . 10 . .
1.
3
1
2
1
136
232
2
:
) 36
13; ) 1; ) 6
1
; ) 13; ) -13.
2. cm2 120 :
) 2cm22 ; ) 2cm2
2; ) 2cm2 ; ) 2cm
2
3; ) 2cm3 .
3. 0202 xx :
) 25; ) 23; ) 21; ) 20; ) 19.
4. 6
13
2
3
3
2
xx
:
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5. A(-1,1) 0343 yx :
) 0734 yx ; ) 0743 yx ; ) 0734 yx ;
) 0743 yx ; ) 0734 yx .
6. , cm02H , ,
cm4 . 60 .
:
) 2cm3
3160; ) 2cm
3
160; ) 2cm3160 ; ) 2cm
27
40; ) 2cm
3
100.
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31
:
1.
3
1
2
1
136
232
2
:
)
36
13; ) 1; )
6
1 ; ) 13; ) -13.
2. cm2 120 :
) 2cm22 ; ) 2cm2
2; ) 2cm2 ; ) 2cm
2
3; ) 2cm3 .
3. 0202 xx :
) 25; ) 23; ) 21; ) 20; ) 19.
4. 6
13
2
3
3
2
xx
:
) -1; ) 0; ) 1; ) 2; ) .
5. A(-1,1) 0343 yx :
) 0734 yx ; ) 0743 yx ; ) 0734 yx ;
) 0743 yx ; ) 0734 yx .
6. , cm02H , ,
cm4 . 60 .
:
) 2cm3
3160; ) 2cm
3
160; ) 2cm3160 ; ) 2cm
27
40; ) 2cm
3
100.
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32
- , 2011.
1.
1
6
1
16
7
6
1
136
49
6
1
136
49
6
23
136
2372
3
1
2
1
136
232
: ) 1.
2.
12
ACPC
32
32
2
3ACAP
322APAB
3
2
132
2
PCABP
23P cm
: ) 23cm .
3.
0202 xx
020 xx
20,0x
19,...,3,2,1x
19.
: ) 19.
120.
30
6030
B
AC
2
2
P.
P
A
C
2
0202 xx
200
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4.6
13
2
3
3
2
xx
6
13
3
2
3
2
xx
6
13
3
2
1
3
2
x
x
tx
3
2, t
tt 6/
6
131
06136 2
tt
12
513
12
144169132,1
t ,
2
3
12
181 t ,
3
2
12
82 t
3
2
3
2
2
3
3
2
xx
13
2
3
2 1
x
x
1x
011 .
: ) 0.
5. 1,1A
0343 yx
334 xy
4
3
4
3 xy
4
31 K ,
3
41
1
2 K
K
nxy 3
4
n3
41 , 3/
3
7
3
4
3
7 xyn
0734 yx
: ) 0734 yx .
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6.
2
3AB4
3
38
3
8AB
3
316020
3
38HABP
: ) 2
3
3160cm .
A
B
A B
4
60 60
60
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3. 2012.
180 . 6 . . 10 . . -1 .
!
1. 2516,0
75
623
32
A 1,0:01,001,0:1,01,001,0 B , BA :
) -18,899; ) -0,899; ) 0,899; ) -89,9; ) 89,9.
2. 3
12
xx
x:
) 2; ) 3; ) 4; ) 8; ) 8.
3. 2
2sin
5
3cos ,
2,0
. 2sin :
)
5
3 ; )
5
3; )
5
6; )
5
7; ) 0.
4. cm3 . :
) cm3 2
33; ) cm
3 2
333 ; ) cm
3 2
113 ; ) cm3 23 ; ) cm3 2 .
5. M(6,2) 0532 yx :
)
3
13,4 ; ) 2,6 ; ) 6,2 ; )
13
59,
13
56; )
39
57,
13
56.
6. ABCD cmb 7 , cmh 6 ,
4
3
:
) 2cm366 ; ) 2cm06 ; ) 2cm3103 ; ) 2cm3106 ; ) 2cm32106 .
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:
1. 2516,0
75
623
32
A 1,0:01,001,0:1,01,001,0 B , BA :
) -18,899; ) -0,899; ) 0,899; ) -89,9; ) 89,9.
2. 3
12
xx
x:
) 2; ) 3; ) 4; ) 8; ) 8.
3. 2
2sin
5
3cos ,
2,0
. 2sin :
)5
3 ; )
5
3; )
5
6; )
5
7; ) 0.
4. cm3 .
:
) cm3 2
33; ) cm
3 2
333 ; ) cm
3 2
113 ; ) cm3 23 ; ) cm3 2 .
5. M(6,2) 0532 yx :
)
3
13,4 ; ) 2,6 ; ) 6,2 ; )
13
59,
13
56; )
39
57,
13
56.
6. ABCD cmb 7 , cmh 6 ,
4
3
:
) 2cm366 ; ) 2cm06 ; ) 2cm3103 ; ) 2cm3106 ; ) 2cm32106 .
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-, 2012.
1.
25
3
23
32
25
75
503
32
25
25
4
75
62 3
32
25
100
16
75
62 3
32
A
,92516252
32
,899,910101,01,010001,0 B
899,0899,99899,99 BA .
2. 3
12
xx
x
0x , 3
12
xx
x, .
3
1
1
1
x.
,01
13
x
x. 0
1
4
x
x.
14 xx 4,1x .
0x , 3
12
xx
x, .
3
1
1
1
x 0
1
13
x
x.
, 01
2
x
x
1,2x
0x , , 0,2x
4,10,2 x . : -1,2,3.
3. sinsincoscoscossin2sin2coscos2sin2sin 22
41
+ --
1-2
+ +-
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2222 cos1sinsin1cossin1sin2
222
5
31
2
221
5
3
2
21
2
22
5
3
5
40
5
3
25
16
4
221
5
3
2
12
.
4.
32
32r
rH
311 rH
V1 , V :
33
1
2
1
2
1
2
1
2
1
1
2
13
2
13
32
1
32
1rrrrrr
HrHrVV
31
3
3
12
3
2
3 rr
3311 2
33
2
33 rH ,
cmHHd
331 2
113
2
33
5.3
5
3
20532: xyyxp
3
2k , l p
2
3 .
nxyl 2
3: , 116
2
32 n . ,
112
3: xyl , . 02223 yx .
' p l, :
2r
r
r1
H1
2r
l
M
pM
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2/0532 yx
3/02223 yx
5613 x
13
56x
13
59
39
1773
13
65
13
112 yy ,
13
59,
13
56'M .
6.
32133
3
3
6136
3
67
3 h
hba
3322062 732132 hbaP
3660
231063660 cmP
3
32
3
2
2
3 hhx
xh
b=7
hh
hx/2 b
4560
x3
32 hx
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-
07. 2012.
180 . 6 . . 10
. . -1 .
1. 67,088,33,503,06*32,0
2
12:15,0:09,0
5
2:3
:
) 6,1; )8
49; ) 98,8; ) 5; ) .
2. 062 xx :
) -1; ) 0; ) 1; ) 2; ) .
3. 01cossin2 2,0 :
) 0; ) 1; ) 2; ) 3; ) 3.
4. 32080cm , 2996cm , cm58 .
:
) cmcm16,13 ; ) cmcm18,11 ; ) cmcm15,14 ; ) cmcm19,10 ; ) cmcm17,12 .
5. (-2,1):
) 12 xy ; ) 2xy ; )2
xy ; )
2
xy ; ) 1
2
xy
.
6. , cm5 , cm1 :
) cm6 ; ) cm7 ; ) cm9 ; ) cm01 ; ) cm21 .
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41
:
1. 67,088,33,503,06*32,0
2
12:15,0:09,0
5
2:3
:
) 6,1; )8
49; ) 98,8; ) 5; ) .
2. 062 xx :
) -1; ) 0; ) 1; ) 2; ) .
3. 01cossin2 2,0 :
) 0; ) 1; ) 2; ) 3; ) 3.
4. 32080cm , 2996cm , cm58 .
:
) cmcm16,13 ; ) cmcm18,11 ; ) cmcm15,14 ; ) cmcm19,10 ; ) cmcm17,12 .
5. (-2,1):
) 12 xy ; ) 2xy ; )2
xy ; )
2
xy ; ) 1
2
xy
.
6. , cm5 , cm1 :
) cm6 ; ) cm7 ; ) cm9 ; ) cm01 ; ) cm21 .
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- 2012.
1.3:
2
50,09:0,15:21
2
0,326+0,035,33,88+0,67 =15
20,09:15
100:5
2
8
256+0,031,42+0,67 =
15
2 9
100:15
10025
48
250,72 =
15
2 9
100:3
5048
2518
25
=
15
2 9
100:50
330
25
=
12
26
5
= 6
6
5
= 5
2.
0,
2 +
6 = 0 2 -3.
0,
= 2. < 0, 2 + 6 = 0 3 -2. < 0, = 2 . 2 -2 0.
sin2 + cos + 1 = 01 cos2 + cos + 1 = 0 sin2 + cos2 = 1 cos2 + cos + 2 = 0 : cos = , 1 1 cos 12 + + 2 = 0= 2 = 1 1 1
=
1
cos = 1= + 2,
0,2 = .
3. = = 2080= 2+ 2+ 2= 996= 2+ 2= 58
= 2080
+
+
= 498
+ = 29
+ + = 498+ = 29
+ 29= 498= 2080
2080
+ 29= 498
=
2080
292 498+ 2080 = 0
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= 10 = 20829
. = 10, = 208 + = 29, = 208 2 29+ 208 = 0. =
16 = 13. = 16, = 13 = 13 = 16. 13 16 cm.
= 2089
, = 290 + = 29, 2 29+ 290 = 0.
. 13 16 cm.
4. = + . , 0 = 0 + ,. = 0. (-2,1) , 1 = 2+ 0, . = 1
2. , = 1
2
= 0, = 2.
5.
OFA OAG = 1, OGB OBE, = 1. = 5 + =, . 1 + 1 = 5, + = 7.
AF
G
C
E
B
O11
1
1
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-
4. 2013.
180 . 6 . . 10
. . -1 .
!
1. a=0,02, b=-11,5 c=1,07 2 2
2( ):
(( ) )
b c a a b c
a b c a b c a
:
) 0,1; ) -0,1; ) 0,01; ) -0,01; ) 1.
2. 1 1
1x x
:
) ( , ) ; ) ,0 1, ; ) ,1 ) 1, ; ) 0,1 .
3. 1 3
sin10 cos10o o :
) 14
) 2; ) 4 ) 12
; ) 1.
4. 9 3 cm2, 30. 8 cm2. :
) 6 6 cm3 ) 12 3 cm3; ) 6 3 cm3 ) 12 12 cm3; ) 18 cm3.
5. 0 0( , )B x y (-5,13) 2 3 3x y , 0 0x y:
) 22 ) 11; ) -11 ) -22; ) 0.
6. : 1 2 32 0, 4 0, 2 3 0,p x y p x y p x y
4 2 3 0p x y 5 1 0p x y 2 2
1 1 2x y .
:
)1 )2; )3 )4; )5.
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45
:
1. a=0,02, b=-11,5 c=1,07 2 2
2( ):
(( ) )
b c a a b c
a b c a b c a
:
) 0,1; ) -0,1; ) 0,01; ) -0,01; ) 1.
2. 1 1
1x x
:
) ( , ) ; ) ,0 1, ; ) ,1 ) 1, ; ) 0,1 .
3. 1 3
sin10 cos10o o :
)1
4 ) 2; ) 4 )
1
2; ) 1.
4. 9 3 cm2, 30. 8 cm2. :
) 6 6 cm3 ) 12 3 cm3; ) 6 3 cm3 ) 12 12 cm3; ) 18 cm3.
5. 0 0( , )B x y (-5,13) 2 3 3x y , 0 0x y
:
) 22 ) 11; ) -11 ) -22; ) 0.
6. : 1 2 32 0, 4 0, 2 3 0,p x y p x y p x y
4 2 3 0p x y 5 1 0p x y 2 2
1 1 2x y .
:
)1 )2; )3 )4; )5.
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46
-2013.
1. ) 0,1
2 2
2:2
1 1 10,02 0,02 11,05 1,07
2 2 2
0,01 10 0,1
a b c a b c a b c ab c a b c a
a b c a b c b c aa b c a
a b c a a a b c
2. ) ,0 1,
1 1
1x x, 0, 1x x
1 10
1
10
1
1
01
10
1
x x
x x
x x
x x
x x
x x
y x 1y x
1
1x x
,0 1,x :
0
- - - - - - - - - - - + + + + + +sgn(x)
1
- - - - - - - - - - - - - - - + + +sgn(x-1)
1
sgn
0
1x(x-1)
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3. )4
0 0 00
0
1 32 cos10 sin10
2 21 3 cos10 3 sin10
1sin10 cos10 sin10 cos102sin10 cos10
2
2 sin30 cos10 cos30 sin10 sin 30 104 4
1 sin 20sin 20
2
o o
o o
o o o oo o
o o o
4. ) 6 6 cm3
1 sin30ob c cos30oa c . 2
ABC
abP ,
2 2sin 30 cos30 3
2 8
o o
ABC
c cP .
29 3ABCP cm , 2
23 9 38
ccm ,
6 2c cm .
2
' ' 8AA BBP cm cH ,
2
2
8 4 2 2 2
6 36 2
cm
H cm cmcm .
32 2
9 33
ABCV BH P H cm , .
36 6V cm .
5. )0
2 3 3x y , .2
13
y x . q
. q: y kx n .
A
A
C
C
B
B
H
c
H
.
. B
AC
a c
b
30o
.
1
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2
13
k , 3
2k .
A q :3
13 52
n
, 11
2n . :
3 11
2 2y x .
S q:
2: 1
2 3 1131
3 11 3 2 2:
2 2
3 1
p y x
x x
q y x
x y
, (3,1)S . S , :
05 3
2
x 0
131
2
y .
(11,-11). , 0 0 11 11 0x y .
6. )5
.
1
2
3
4
5
: 2
: 4
1 3:2 2
: 2 3
: 1
p y x
p y x
p y x
p y x
p y x
2 2
1 1 2x y (1,1) :
p
q
A
B(x ,y )0 0
S
.
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49
:1- ,2 - ,3- , 4- 5- , k.
1 2 3-1
-1
1
2
3
p2
p4
p1
p3
p5
A
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-
6. 2013.
180 . 6 . . ,
, 10 . . -1. !
1.
1 23 1 4,2 2,25
2 3
3 1 3 2 74 2 5 : 3
4 2 4 3 9
:
) 106 ; )1
1065
; )2
1065
)3
1065
; )4
1065
.
2. ,
22 1
12 1
x x
x x
:
) 2, ; ) , 1 2, ; ) , 2 ) 1, ; ) 1,2 .
3. 2cos 3sin 1 0x x 0, :
) 0; ) 1; ) 2; ) 3; ) 4.
4. 2 cm .
. :
) 1,5cm ; )2
1,5cm ; ) 2,5cm ; )2
2,5cm ; )2
3cm .
5. 1y kx 2 2 2y x x , k :
) 0; ) 4; ) - 4; ) 0 4; ) 0 - 4.
6. 4a cm . :
)3
4; )
6
; ) 6; )
1
6; )
4
3.
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51
:
1.
1 23 1 4,2 2,25
2 33 1 3 2 7
4 2 5 : 34 2 4 3 9
:
) 106 ; )1
1065
; )2
1065
)3
1065
; )4
1065
.
2. ,
22 1
1
2 1
x x
x x
:
) 2, ; ) , 1 2, ; ) , 2 ) 1, ; ) 1,2 .
3. 2cos 3sin 1 0x x 0, :
) 0; ) 1; ) 2; ) 3; ) 4.
4. 2 cm .
. :
) 1,5cm ; ) 21,5cm ; ) 2,5 cm ; ) 22,5cm ; ) 23cm .
5. 1y kx 2 2 2y x x , k :
) 0; ) 4; ) - 4; ) 0 4; ) 0 - 4.
6. 4a cm . :
)3
4; )
6
; ) 6; )
1
6; )
4
3.
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- 2013.
1. : ) 21065
1 2 7 5 21 93 1 4,2 2,25
2 3 2 3 5 4
3 1 3 2 7 3 9 11 17 94 2 5 : 3
4 2 4 3 9 4 2 4 3 34
63 25 63 21 38 399
133 4 532 28 15 8 5 20 1063 18 11 3 21 3 3 5 5 5
4 4 2 16 2 16
2. : ) 1,2
2
2
2 2
2 2
2
2
2 11
2 1
2 11 0
2 1
2 1 2 20
2 1
2 1 2 202 1
30 / 1
2 1
30
2 1
x x
x x
x x
x x
x x x x x
x x
x x x x x
x x
x
x x
x
x x
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1,2x
3. : ) 2
2
2
2
2
cos 3sin 1 0
1 sin 3sin 1 0
sin 3sin 0
sin 3sin 0
sin sin 3 0
x x
x x
x x
x x
x x
sin 0 sin 3
0
x x
x nemoguce
x
, 0, 2 .
3. : )21,5cm
+ + + + + + + + + + + + + +
sgn(2-x)2
- - + + + + + + + + + + + + sgn(x+1)
2
sgn-1
x +32
(2-x)(x+1)
sgn(x +3)2
++ + + + + + + + + - - - - -
-1
.
A
B CM1
M
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1 1
1 1 1
1 1 1
2 2 21
2
45 45
2
2
1 3 2
3 2
23
322 1,52 2 2
o o
ABC
BC cm
BMM MBM
BM MM MM cm
MM AM AM cm
BC AMP cm cm cm
5. : )0 4
2
2
2
2
1/2
11 2 2
2 2
2 1 0
2 2 4
2
( )
2 2 2 2
0 4
y kxkx x x
y x x
x k x
k kx
k k
k k
6. : )6
3
3 33
2
4 4
3 3 2 6
K
L
ar
V a
a aV r
r