Question

Помогите решить пример9/20:0,09+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