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a+135=732 918-a=530 145-21+a=1798 a+1510-300=1898..astea sint corecte cine mile rezolva?​

Răspuns :

1)a=732-135=>a= 597

2)a=918-530=>a= 388

3)a=1798-124=>a= 1674

4)a=1898-1210=>a= 688