Question

Daca a supra doi egal cinci supra b calculati 10 ab-36

Answer 1

faci a supra 2 egal b supra 5, apoi a/b=2/5; 5a=2b=>a=2, b=5, apoi vine 10X2X5-36=64
$10 \times 2 \times 5 - 36 = 64$

Answer 2

a supra 2 = 5/b => ab = 2*5
=> ab= 10
10 ab - 36 => 10*10 -36 => 100-36 = 64