Bài 1 : Tính 1) 1/4 – ( 7/10 + -20/25 ) – |1/2 – 2/3| 2) 1/5 – ( 10/8 – 16/4 + 1/2 ) -|3/10 – 7/4| 3) |-3/4 + 5/10 + -8/6| + ( -5/3 – -7/2 ) 4)
Bài 1 : Tính 1) 1/4 – ( 7/10 + -20/25 ) – |1/2 – 2/3| 2) 1/5 – ( 10/8 – 16/4 + 1/2 ) -|3/10 – 7/4| 3) |-3/4 + 5/10 + -8/6| + ( -5/3 – -7/2 ) 4) -4/5 – |-7/3 + 3/4| + (14/6 – 12/8 ) 5) 1/7 – … Đọc tiếp