Question

Решите примеры пожалуйста.
5 2/5х(-1 1/9);
-1 3/4:5 1/4;

Answer 1

5 2/5 * ( - 1 1/9 ) = 27/5 * ( - 10/9 ) = ( - 6 )
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- 1 3/4 : 5 1/4 = ( - 7/4 ) : 21/4 = ( - 7/21 ) = ( - 1/3 )

Answer 2

$1)5 frac{2}{5} *(-1 frac{1}{9} )= frac{27}{5} *(- frac{10}{9} )=- frac{27*10}{5*9} =-3*2=-6 \ \ 2)-1 frac{3}{4} :5 frac{1}{4} =- frac{7}{4} : frac{21}4} =- frac{7}{4} * frac{4}{21} =- frac{7*4}{4*21} =- frac{1}{3}$