Question

1,tim x

x:25

2,tim M

15:(m+2)

Answer 1

thieu ma!

bn xem lai di

chua bao gio mk thay

bai nhu the nay dau

Answer 2

hinh nhu thieu de 

nhae bn

chuc bn hoc thiet gioi!

nha1

~~~~~~~~~~~~~~

Answer 3

ko thieu de ban oi,kho qua a