`c, (2/3 . 7/5 - 2/5 . 2/3):((-1)/6+10/12)`
`=[2/3 (7/5-2/5)]:(-2/12+10/12)`
`=(2/3 . 5/5):(8/12)`
`=(2/3 . 1):2/3`
`=2/3:2/3`
`=1`
`g, 37% - 33/4 : 3 2/3+1,88`
`=37/100 - 33/4:11/3+188/100`
`=37/100 - 33/4 . 3/11+188/100`
`=37/100 - 9/4+188/100`
`=37/100 - 225/100+188/100`
`=0/100`
`=0`
(cho mình xin hay nhất nha)
Chúc bạn học tốt~~~
`@Nhi`