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I.T.I.S. “E. MAJORANA” di Grugliasco(TO) Corso Serale Matematica
Espressioni numeriche Pag. 1 di 3
Espressioni numericheRisolvere le seguenti espressioni:
1)37
117
21
1432
115
3
− − −
−
⋅:
2) −
⋅ − ⋅ +
+
−
65
110
13
12
14
12
12 2 2
:
3)34
23
417
656
34
14
2 2
+
⋅ −
− ⋅ −
−:
4) ( )112
112
113
113
2 123
113
2 32
3
+
⋅ −
⋅ +
⋅ −
− + −
⋅ −
−
−
5)32
2 432
1 923
432
132
23 3 2 3 3
+
− ⋅ +
+ ⋅
− ⋅ −
+ −
−
6) ( ) ( )− +
− +
+ − ⋅ −
+ −
− − −
−112
212
313
16
32 3 1
2 3:
7) ( ) ( ) ( )− ⋅ ⋅ + −
−
−
−− −
− − −
3 3 212
32
13
12 1 12 3 1 3
:
8) ( )−
⋅ − ⋅ − − −
+
− − +
+
−−1
25 2
12
116
13
253
23
23
:
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I.T.I.S. “E. MAJORANA” di Grugliasco(TO) Corso Serale Matematica
Espressioni numeriche Pag. 2 di 3
Soluzioni.es.1.
72
71
73
151
715
73
151
7411
73
151
74
711
73
151
278
1427
711
73
151
827
:14
128711
73
151
23
:141
2711
73 3
=−=⋅−=⋅
+
−=⋅
+−=⋅
−⋅
−−=
=⋅
−
−
−−=⋅
−
−−−
es.2.
254
4251
4361
2536
461
2536
4122
2536
412
312536
41
:41
121
2536
21
:41
65
101
2536
221
:41
632
101
2536
121
:41
21
31
101
56
2
22222
22222
=⋅=⋅⋅=⋅
⋅=
=⋅
⋅=⋅
+−
⋅=
+−⋅=
−
+⋅−⋅=
=
−
+
+
⋅−⋅=
−
+
+⋅−⋅
−
es.3.
367
36916
41
94
41
491
41
41
:91
41
21
:31
41
121
6:174
1217
41
12910
6:174
1289
41
43
65
6:174
32
43
2222
2222
=−
=
=−=−⋅=−=−
−
−=−
⋅−
−⋅
=
=−
−
⋅−
−⋅
+
=−
−⋅−
−⋅
+
es.4.
( )
( ) 1832
2741
41
32
341
32
34
81
49
32
31
41
32
34
21
23
313
323
21
313
313
212
212
31
132
1231
131
121
121
1
3332
3232
32
32
=⋅+−=
⋅+−⋅⋅⋅=
⋅
+−
⋅
⋅
⋅
=
=
−
⋅
−
+
−
−
⋅
+
⋅
−
⋅
+
=
=
−⋅
−+−
−⋅
+⋅
−⋅
+
−
−
−−
C
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I.T.I.S. “E. MAJORANA” di Grugliasco(TO) Corso Serale Matematica
Espressioni numeriche Pag. 3 di 3
es.5.
080
814162500343
81
84
481
8500
8343
81
81
4481
8125
48
34321
21
449
925
427
243
223
423
92
234
243
223
123
432
9123
4223
3333
33233
33233
==−−+−
=−−+−=
=−⋅−+⋅−=
−
+
⋅−⋅+
⋅−
=
=
−
+
−
⋅−
⋅+
+
⋅−
+
=
=
−+
−⋅−
⋅+
+⋅−
+
−
es.6.
( ) ( )
( )
1825
18272
23
91
23
273
271
23
272
271
23
827
4271
23
278
:4271
23
32
:2
271
61
923
:21
31
612
92
14:
212
361
31
321
2:21
1
11132
1323132
32
132
=+−
=+−=+−=
=−+−=−+
−⋅=−+
−=−+
−
−=
=−
⋅+
−
−
=
−+
−
⋅+
+−
+−
=−+
−⋅−+
+−
+−
−−−
−−−−−−
−
−−−
es.7.
( ) ( ) ( ) ( )
187
1818227
191
23
1273
23
1271
272
23
1271
227
23
1271
827
423
1271
278
:423
1271
32
:221
31
9131
23
:21
233
111
132
3132112
=−−
=−−=−−=
=−−−=−−
−+=−−
−⋅+=−−
−+=
=−−
−−+⋅⋅=−
−
−
−+⋅⋅−
−−−
−−−−−−
es.8.
( )
( )
( ) 52122124
6821
2433340
82331
611
81
45
8
231
:31
611
81
41
5823
56:
31
611
81
21
52
235
2:31
611
21
2521
23
32
3
=++=++
−
⋅−=++
++−
⋅−=+−⋅−
++−⋅−=
=+
−
−
++
⋅−⋅−=+
+−
−
+
−−
−⋅−⋅−=
=+
+−−
+
−−−⋅−⋅
− −
−
