Question

Stiind ca : a(supra)0,1=20(supra)b , calculati 17 +a*b

Answer 1

$\frac{a}{0,1} = \frac{20}{b}$⇒$a=20,b=0,1;$
$17+a*b=17*20*0,1=17+2=19.$
Raspuns: 19.