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Daca 3a+2b/5a-3b=4/5 , aflati valoare raportului a/b .

Răspuns :

3a+2b/5a-3b=4/5
5(3a+2b)=4(5a-3b)
15a+10b=20a-12b
10b+12b=20a-15a
22b=5a
a/b=22/5