Question

Найдите значение выражения: 1/4 * 4/9, 2 2/5 * 5/6, (1/2 - 1/3) * 6, 1/7 * 2 1/3, (1/5 + 2/15) * 3/4.

Answer 1

1/4*4/9=4/36=1/9
2 2/5*5/6=12*5/5*6=2
(1/2-1/3)*6=(3/6-2/6)*6=1/6*6=1
1/7*2 1/3=1*7/7*3=1/3
(1/5+2/15)*3/4=3+2/15 * 3/4=5/15*3/4=1/3*3/4=1/4