Question

$( 2 frac{1}{16} - 1 frac{1}{14} )*28$ решите надо быром

Answer 1

$(2 frac{1}{16}-1 frac{1}{14})*28 = frac{111}{112}*28 = 27 frac{3}{4}$

Answer 2

(3316-1514)*28=111112*28=1114=27,75