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Efectueaza calculele.Verifica folosind proba prin operatia inversa.

Efectueaza CalculeleVerifica Folosind Proba Prin Operatia Inversa class=

Răspuns :

A) 5658+3842=9500

9500-3842=5658


8974-4508=4466

4466+4508=8974


B) 4800+3679=8479

8479-4800=3679


6314-3786=2528

2528+3786=6314


C) 3469+5893=9362

9362-5893=3469


7000-4954=2046

2046+4954=7000