Question

помогите решить пример (152 34- 148 38) *0,3/0,2=?

Answer 1

$152 frac{3}{4}- 148frac{3}{8}=152 frac{6}{8}-148 frac{3}{8}=4 frac{3}{8}$

$frac{0,3}{0,2}= frac{30}{20}= 1frac{1}{2}$

$4frac{3}{8} * 1frac{1}{2}= frac{35*3}{8*2}= frac{105}{16}= 6frac{9}{16}$

Answer 2

(152 34- 148 38) *0,3/0,2=1)19/4-3/8=38/8-3/8=35/8; 2)3/10:2/10=3/10*10/2=3/2; 3) 35/8*3/2=105/16= 6 9/16