Question

(0.7)x =0.343 рашите пожалуйсто.

Answer 1

$0.7x=0.343$
$0.7x=0.7*0.7*0.7$ Поделим обе части на 0.7

$frac{0.7x}{0.7}=frac{0.7*0.7*0.7}{0.7}$
$x=0.7*0.7=0.49$