Tính: a, -1/24 - [1/4 - (1/2 - 7/8)]; b, (5/7 - 7/5) - [1/2 - (-2/7 - 1/10)]
MN nhớ quy đồng luôn cho mik nha!
a. -1/24 - [1/4 - (1/2 - 7/8)]
b. (5/7 - 7/5) - [1/2 - (-2/7 - 1/10)]
c. (-1/2) - (-3/5) + (-1/9) + 1/71 - (-2/7) + 4/35 - 7/18
d. (3 - 1/4 + 3/4) - (5 - 1/3 - 6/5) - (6 - 7/4 + 3/2)
e. (5 + 1/5 + 2/9) - (2 - 1/23 - 2'3/35 + 5/6) - (8 + 2/7 - 1/18)