Question

Dacă 0,2 supra a = b supra 0,24, află 10ab


Dau coroana

Answer 1

$\frac{0.2}{a} = \frac{b}{0.24}$

$ab = 0.2 \times 0.24$

$ab = 0.048$

$10ab = 10 \times 0.048 = 0.48$

Answer 2

$\frac{0.2}{a} = \frac{b}{0.24 } \\ a \times b = 0.2 \times 0.24 \\ a \times b = 0.048 \\ 10ab = 0.048 \times 10 \\ 10ab = 0.48$
coroana?