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1.) Scrie sub formă
8 -2 -2 -2 -2 =
10-2-2-2-2-
12-2-2-2-2-
14 -2 -2 -2 -2 -​


Răspuns :

8-2-2-2-2=0

10-2-2-2-2-2=0

12-2-2-2-2-2-2=0

14-2-2-2-2-2-2-2=0

Răspuns:

8-2-2-2-2=8:2=4

10-2-2-2-2-2=10:2=5

12-2-2-2-2-2-2=12:2=6

14-2-2-2-2-2-2-2=7