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Office6
a fost răspuns

daca a,b,x sunt numere naturale aflati x daca 7a=3b si x/42 =a/b

Răspuns :

WEREW0LF
7a=3b
x/42=a/b
a=(3b)/7
x/42=3b/7:b
x/42=3b/7*1/b
x/42=3/7
x=(42*3)/7
x=18

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