1/8m - 1/4m + 1/2m - 3/4m = 1/8m - 1/4m + 2/8m - 3/4m1/8m - 1/4m + 2/8m - 3/4m = (1/8 - 1/4 + 2/8 - 3/4)m1/8m - 1/4m + 2/8m - 3/4m = (-3/8)m
Ответ: -3/8m
1/8m - 1/4m + 1/2m - 3/4m = 1/8m - 1/4m + 2/8m - 3/4m
1/8m - 1/4m + 2/8m - 3/4m = (1/8 - 1/4 + 2/8 - 3/4)m
1/8m - 1/4m + 2/8m - 3/4m = (-3/8)m
Ответ: -3/8m