Question

(2 1/4 + 3 2/3) : ( 8 1/2 - 1 2/5) * 1,2 пошоговое плз​

Answer 1

Ответ:

1) (2 1/4 + 3 2/3)=$\frac{9}{4}+\frac{11}{3}$=$\frac{27+44}{12} =\frac{71}{12}$

2)( 8 1/2 - 1 2/5)=$\frac{17}{2} -\frac{7}{5}$=$\frac{85-14}{10} =\frac{71}{10}$

3)$\frac{71}{12} :\frac{71}{10}$=$\frac{71}{12} *\frac{10}{71} =\frac{10}{12}$

4)$\frac{10}{12} *\frac{12}{10} =1$

Пошаговое объяснение: