Question

Найдите зеачение выражения:
4-(41/84-5/21)+7 11/30

Answer 1

$4-(frac{41}{84}-frac{5}{21})+7frac{11}{30}=4-frac{41-20}{84}+7frac{11}{30}=4-frac{1}{4}+7frac{11}{30}=11frac{11}{30}-frac{1}{4}=\=11+frac{7}{60}=11frac{7}{60}$