Question

Вычислите пожалуйста за 20 балов

Answer 1

1/2-1/3-1/4=6/12-4/12-3/12=-1/12
2/3-1/4-1/6=8/12-3/12-2/12=3/12=1/4
1/8-1/4-1/2=1/8-2/8-4/8=-5/8

Answer 2

1/2-1/3-1/4 = 6/12 - 4/12 - 3/12 = - 1/12

2/3-1/4-1/6 = 16/24 - 6/24 - 4/24 = 6/24 = 1/4

1/8 - 1/4 - 1/2 = 1/8 - 2/8 - 4/8 = - 5/8