Question

Daca a supra b = 3 supra 4 , atunci raportul 3a+b supra 2a-3b =??

Answer 1

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Answer 2

a/b=3/4 => a=3k; b=4k
$\frac{3a+b}{2a-3b}$ = $\frac{3*3k+4k}{2*3k-3*4k}$ = $\frac{13k}{-6k}$ = $\frac{13}{-6}$