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Stiind ca 5a-14b/7b=3, calculati a/b​

Stiind Ca 5a14b7b3 Calculati Ab class=

Răspuns :

Răspuns:

5a-14b/7b=3 /×7b

5a-14b=3×7b /+14b

5a=21b+14b

5a=35b /:5

a=7b=>

=>a/b=7b/b=7