Question

a)0,8 : (
5
4
x 1,25 + ( 108% -
25
2
) :
3
1
)

 

Answer 1

mik toàn thấy ":(" thôi:)

Answer 2

0,8 : (54x 1,25 + ( 108% -252) :31)
=0,8 : (67.5 + ( -250,92) :31)
=0,8 : ( 67.5 -250,92 :31)
=0,8 : ( 67.5 -8.09)
=0,8:59.41
=0.0134