Question

прсу.
5 7/16*8
8 3/28*5
5*3 1/5

Answer 1

$5 frac{7}{16}cdot 8= frac{87}{16}cdot 8=frac{87cdot 8}{16}= frac{87}{2}=43,5 \ 8 frac{3}{23} cdot 5= frac{187}{23}cdot 5= frac{187cdot 5}{23}= frac{936}{23}=40 frac{16}{23} \ 5cdot 3 frac{1}{5}= 5cdot frac{16}{5}=frac{5cdot 16}{5}=16$