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daca 36:(a+2)=6, calculeaza a+2, a-2, ax2

Răspuns :

36:(a+2)=6
a+2=36:6
a+2=6
a=4.
a+2=4+2=6
a-2=4-2=2
a·2=4·2=8
ners invers
a+2=36:6=6
a=6-2
a=4
4+2=6
4-2=2
4×2=8