Question

[Nguyễn Thu Hồng anh]

A,. 1 13/15 .0,75 -(11/20+25%):7/5

B, (2/3)^2:(-8)-(-1/4+9/20):1 4/5

Giúp em với ạ 🥺

Answer 1

[Tú Cường Trần]

 = 4/9 : -8 - (-1/4 + 9/20) : 14/5
= 4/9 : -8 - 1/5 : 14/5
= -1/18 - 1/5 : 14/5
= -1/18 - 1/14
= -8/63