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Daca a x b+a x c=24 iar a=4 b+c=…………

Răspuns :

a * b + a * c = 24
a * (b + c) = 24
4 * (b + c) = 24
b + c = 24 : 4
b + c = 6
axb+axc=24,a=4
a(b+c)=24,4(b+c)=24,b+c=6