Question

реши уравнение 9 3/20-(3 1/5+х)=2 11/20

Answer 1

Ответ:

9 $\frac{3}{20}$ - (3 $\frac{1}{5}$ + х) = 2 $\frac{11}{20}$

3 $\frac{1}{5}$ + х = 2$\frac{11}{20}$  + 9 $\frac{3}{20}$

3 $\frac{1}{5}$ + х = 11 $\frac{14}{20}$

х = 11 $\frac{14}{20}$ - 3 $\frac{1}{5}^{4}$

х = 8 $\frac{1}{2}$