Tính nhanh : a) 2.3/7 + (2/9 – 1.3/7) – 5/3 : 1/9 b) -11/23 . 6/7 + 8/7 . -11/23 – 1/23 c) (377/-231 – 123/89 + 34/791) . (1/6 – 1/8 – 1/24)

02/11/2021 Bởi Samantha

Tính nhanh :
a) 2.3/7 + (2/9 – 1.3/7) – 5/3 : 1/9
b) -11/23 . 6/7 + 8/7 . -11/23 – 1/23
c) (377/-231 – 123/89 + 34/791) . (1/6 – 1/8 – 1/24)

0 bình luận về “Tính nhanh : a) 2.3/7 + (2/9 – 1.3/7) – 5/3 : 1/9 b) -11/23 . 6/7 + 8/7 . -11/23 – 1/23 c) (377/-231 – 123/89 + 34/791) . (1/6 – 1/8 – 1/24)”