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daca a×(b+5)=336si a×b=301,calculaza pe a

Răspuns :

ab+5a=336
ab=301
301+5a=336
5a=336-301
5a=35
a=35:5
a=7
a7*b=301
b=301:7
b=43

7*(43+5)=336
7*48=336