Question

Помогитеее плеессссс

Answer 1

$\left (2\frac{1}{16}-1\frac{1}{14}\right )\cdot 28=\left (\frac{33}{16}-\frac{15}{14}\right )\cdot 28=\frac{231-120}{112}\cdot 28=\frac{111}{4}=27,75$

Answer 2

(2 1/16 - 1 1/14) * 28 = (1 238/224 - 1 16/224) * 28 = 222/224 * 28 = 111*28/112 = 111/4 = 27,75