Question

a×b=180 a+c=22 b×c=84 aflati toate​

Answer 1

Răspuns:

a=180÷2 a=90 a=90 ×2 a= 180 v=90×2=180 (a×b=180)

a=22-9 a=13 a= 13+9 a=22 v=9+13=22 (a+c=22)

b=84÷4 a=21 a=21×4 a=84 v=21×4=84 (b×c=84)