Question

Помогите пж! Даю 50 балов. ​

Answer 1

5.

$frac{2}{3} times 45 = 30$

6.

$frac{2}{9} times 18 = 4$

7

$frac{11}{400} =0 .0275$

8

$frac{7}{12} times frac{6}{11} + frac{5}{12} times frac{6}{11} = \ frac{6}{11} ( frac{7}{12} + frac{5}{12} ) = \ frac{6}{11} times 1 = frac{6}{11}$

9. 4 верно

$x times frac{1}{x} = 1$