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calculeaza adunarea care contine pe 5 ca termen de:2ori, 3ori, 5ori,7ori

Răspuns :

5•2=10
5•3=15
5•5=25
5•7=30
5+5=10
5+5+5=15
5+5+5+5+5=25
5+5+5+5+5+5+5=35