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vrea si eu rezolvarea la ex1.2.3.4

Vrea Si Eu Rezolvarea La Ex1234 class=

Răspuns :

1)3×(4+3)=3×7=21
3×(4+3)=3×4+3×3=12+9=21

2)2×(9-6)=2×3=6
2×(9-6)=2×9-2×6=18-12=6

3)(8+4)×2=8×2+4×2=16+8=24
(8-4)×2=8×2-4×2=16-8=8

4) (c-b)+a=(9-7)×5=2×5=10