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a×(b×5)=336 a×b=301 a=?

Răspuns :

a * (b + 5) = 336
a * b + 5 * a = 336
a * b = 301
301 + 5a = 336
5a = 336 - 301
a = 35 : 5
a = 7
b = 301 : a
b = 301 : 7
b = 43