Question

4 Calculează, după model:

a) (15 + 12): 3 = 15:3+ 12: 3 =
=5+4
=9

(45+27):9=___:___+___:___=
=___+___
=___

(64-32):8=___:___-___:___=
=___-___
=___

(35+42):7=___:___+___:___=
=___+___
=___

b) (15+10):5=45:5=9

(20+12):4=___:___=___

(63-49):7=___:___=___

(54-18):6=___:___=___

Va rog ajutati-ma dau coroana!​

Answer 1

Răspuns:

(45+27):9=45:9+27:9

=5+3

=8

(64-32):8=64:8-32:8=

=8-4

=4

(35+42):7=35:7+42:7

=5+6

=11

b

(20+12):4=32:4=8

(63-49):7=14:7=2

(54-18):6=36:6=6