Question

Найдите значение выражения.
(6+1⅓*2)*30=
7 7/11*3 2/5+7 7/11*7 3/5=
5 3/4*3 5/7+3 5/7*1 1/4=

Answer 1

(6+1⅓*2)*30=(6+4/3*2)*30=(18/3+8/3)*30=26/3*30=26*10=260
7 7/11*3 2/5+7 7/11*7 3/5=7 7/11 (3 2/5+7 3/5)=84/11* 11=84
5 3/4*3 5/7+3 5/7*1 1/4=3 5/7(5 3/4+1 1/4)=26/7*7=26