Question

(7/15-3 /40-1/24) : 0,7 * 1 5/6 : (3/4-1 2/3) (2,4*1/3-3)*5/11 (4/9-5/12+0,75)*3/7

Answer 1

(((7/15-3/40-1/24)÷0,7)/(2,4×1/3-3)×5/11))×((1 5/6÷(3/4-1 2/3))/((4/9--5/12+0,75)×3/7))=(((7/20)÷7/10)/((-11/5)×5/11))×((11/6÷(-11/12))/((7/9)×3/7))=
=(1/2÷(-1))×((-2)÷1/3)=-1/2×(-6)=3
Ответ: 3.