Question

Вычеслите 21целая2/22-(12целых6/12+7целых17/22) Плизззз Срооооочччнооо!!!

Answer 1

$21frac{2}{22}-(12frac{6}{12}+7frac{17}{22})=21frac{2}{22}-12frac{6}{12}-7frac{17}{22}=13frac{11}{22}-12frac{6}{12}=\=13frac{1}{2}-12frac{1}{2}=1.$