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Daca a/b=4/3, aflati 3a/2b

Răspuns :

[tex] \frac{a}{b}= \frac{4}{3} \\ \\ \frac{3a}{2b}= \frac{3}{2}* \frac{a}{b}= \frac{3}{2}* \frac{4}{3}=2 \\ \\ \frac{a}{b}=2 [/tex]
a/b =4/3  ;   3a =4b   
3a/2b =?  aici inlocuim pe 3a =4b
4b/2b =2