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48= 38= 49= 39= 28=
88= 68= 89= 69= 29=
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- 9 7. ( - ) ( ), 7 17. . 9 1 2 17. 8. . 2 - 3 1
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9 1 8 6 3 6 7 4 4 6 3 2 7 4 3 8 - 2 8 - 2 9 - 1 8 - 2 7 - 2 8 -
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9 - 1 3 - 6 5
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2 . 34 26 .
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3 . 27 . ;
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(1)
1
:
5 6 79 89 68 92
- 4 - 9 - 80 - 49 - 58
.. .. .. .. ..
54 46 80 86 35
- 9 - 8 - 56 - 59 - 26
.. .. .. . ..
850 530
- 240 - 110
.. ..
2
:
900 400 =. 75 25 =
700 500 = 52 32 = ...
750 250 = 49 36 = ...
520 320 = 57 28 = ...
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3
:
) 83 . 47
. ;
) 84 . , 39
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) 54 29.
;
:
:
:
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(2)
1
:
3 9 9 6 4 3 5 5 3 1
- 2 5 - 7 8 - 2 9 - 4 9 - 2 7
.. .. .. .. ..
9 8 326 35 787 345
- 4 9 - 115 - 139 - 179 - 226
.. .. .. . ..
790 235
- 150 - 110
.. ..
2
:
998 454 =. 55 14 =
735 522 = 51 20 = ...
799 196 = 87 16 = ...
576 166 = 98 58 = ...
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3
:
) 53 . 29 .
;
) 256 139 .
;
) 478 259 .
;
:
:
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10
1. .
46-14 65-18 74-39 38-29
72-27 55-17 24-8 84-67
O .
O .
O
.
- - - -
- - - -
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- 2 ilias ili
55-25=.
65-40=.
900-400=
75-42=.
2. .
3. .
35 40 18 9 27 42 19
750-600=.
85-15=.
95-13=.
46-24=.
;
;
;
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1. 11:
2. .
11 , ;
1 2 3 4 5 6 7 8 9 10
11
3. :
11
123= 134= 153= 113=
302= 203= 1003= 2004=
204=
3003=
130
122= 133= 124= 135= 125=
10 11 = ..
2 11 = .. .. + .. =
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4. ;
. X . = ..
;
. X . = ..
5. .
458=400 + 50 +8 = (4 100) + (5 10) + 8
856=..
763=..
555=..
79=..
637=..
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1. .
. . . .
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).
81-35 91 4 8 69 - 45 62 - 27
48 - 23 72 - 36 87 - 48 77 - 39
- - - -
- - - -
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- 2 ilias ili
:
.
368=300 + 60 +8 = (3 100) + (6 10) + 8
86=
...
793=.
555=..
133= 144= 153= 113=
3002= 2400= 1003= 2004=
204=
3003=
122= 134= 125= 155= 135=
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- 2 ilias ili
1. :
43 + 35
64 + 22
24 + 67
48 + 37
47 36
63 47
37 18
83 35
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- 2 ilias ili
2. :
637
6 3 7
600 30 7
6 100 3 10 7 1
3. :
15 3 =. 12 4 =. 20 2 =. 13 3 =. 11 8 =. 14 2 =. 30 3 =. 40 2 =.
500 2 =. 200 4 =. 25 10 =. 25 4 = .
4. : (3 100) + (2 10) + 6 = 300 + 20 + 6 = 326 (7 100) + (4 10)
+ 2 = . (5 100) + (3 10) + 8 = . (4 100) + 6 = (2 100) + 36 = .. (5
10) + 2 = .. (4 10) + 18 = 5. :
500 + 300 + 200 = 700 300 = 400 + 400 + 100 = ... 850 300 = 300
+ 200 + 100 = 940 340 = 600 + 200 + 200 = 670 400 =
6. : 473 = (4 100) + (7 10) + 3 = 400 + 70 + 3 564 = 728 = 657
=
236
462
853
579
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- 2 ilias ili
1. .
2. .
15 4 = 20 8 = 30 4 =
25 3= 40 5 = 50 8 =
300 3 = 500 2 = 250 2 =
3. .
256= _____________________________________________
537= _____________________________________________
78 = _____________________________________________
450 = _____________________________________________
666 = _____________________________________________
4. .
2 6 + 3 2= 6 1 + 2 9= 5 3 + 3 8= 6 3 + 4 7=
2 6 + 3 2=
(6 10) + 3 = (7 100) + 8 = (5 100) + 45 =
(4 10) + 15 = (3 100) + 200= (7 10) + 30=
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5. 8 . 6. ;
) 10 , ;
) 20 , ;
) 50 , ;
;
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- 2 ilias ili
2
1. :
4 15 = 300 4 =
6 20 = 4 500 =
7 30 = 3 300 =
25 20= 50 3 =
8 20 = 5 60 =
9 30 = 2 400 =
2. :
( 4 100 ) + (2 100) + 30 = 400 + 200 + 30 = 630
( 6 100 ) + (3 100) + 8 =
( 8 10 ) + (2 100) + 5 =
( 5 100 ) + 60 =
.
( 3 100 ) + (2 10) + 3 =
.
( 9 100 ) + 8 =
.
3. :
67 35 = 86 46 = 78 39 = 66 28 =
53 18 = 32 9 = 55 17 = 96 50 =
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- 2 ilias ili
. . . .
32
40
8
;
..
;
5 8 = 2 8 = 2 7 =
6 7 = 4 9 = 3 8 =
40 : 8 = 36 : 4 = 14 : 2 =
7 9 = 8 9 = 4 4 =
6 4 = 9 7 = 9 5 =
24 : 6 = 63 : 9 = 16 : 4 =
3 9 = 6 8 = 6 9 =
8 4 = 7 5 = 7 10 =
27 : 3 = 48 : 6 = 54 : 6 =
-
- 2 ilias ili
1. .
2. .
15 4 = 20 8 = 30 4 =
25 3= 40 5 = 50 8 =
300 3 = 500 2 = 250 2 =
3. .
678= _____________________________________________
743= _____________________________________________
98 = _____________________________________________
450 = _____________________________________________
662 = _____________________________________________
4. .
46 - 36=.
(7 10) + 8 = (6 100) + 4 = (8 100) + 55 =
(4 10) + 15 = (3 100) + 200= (8 10) + 30=
60 - 29=. 63 - 32=. 87 - 45=.
400 200=. 600 300=. 750 400=. 950 200=.
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- 2 ilias ili
5. .
6. ;
, 80
, 24
, 11
;
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;
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50
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40
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60
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- 2 ilias ili
... !
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- 2 ilias ili
T
Ilias ili
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