Question

Помогите решить пример

9/20:0,09+3,61:1/5-18,63

Answer 1

$frac{9}{20}$:0,09+3,61:$frac{1}{5}$-18,63=4,42
1) $frac{9}{20} : frac{9}{100} = frac{9*100}{20*9} = frac{100}{20}=5$
2) 3,61: $frac{1}{5}$ = 3,61:0,2=18,05
3) 5+18,05=23,05
4) 23,05-18,63=4,42