👤
Mirunac17
a fost răspuns

Daca a,b,c aprtine N si ab+ca=715, calculti 18a(5b+5c)

Răspuns :

OiLoveYouO
ab+ca=715 |×90

90×ab+90×ca=64350

18a×5b+18a×5c=64350

18a(5b+5c)=64350

Alte intrebari