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Pacaliciu2016
a fost răspuns

Urgent dau coroana.Daca a supra b = 3 supra 5 calculati a +2b supra a

Răspuns :

DjFresh20

a/b=3/5 ==> a=3k ; b=5k

(a+2b)/a = (3k+2 ori 5k)/3k = 13k/3k = 13/3

a/b=3/5=K

a=3K

b=5K

a+2b=3K+2×5K=3K+10K=13K=13

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