Question

Nhanh lên nha mấy bạn giúp mình

Answer 1

`a// y+2/9=1`

`y=1-2/9`

`y=9/9-2/9=7/9`

`b// y-1/2=1/4`

`y=1/4+1/2`

`y=1/4+2/4=3/4`

Answer 2

a, <=> y = 1 -2/9 = 7/9

b, <=> y = 1/4 + 1/2 = 3/4

Answer 3

`y+2/9=1`

`y=1-2/9`

`y=9/9-2/9`

`y=7/9`

`y-1/2=1/4`

`y=1/4+1/2`

`y=2/8+4/8`

`y=6/8`

Answer 4

Bài 4:

a). \(y+\dfrac{2}{9}=1\)

\(y=1-\dfrac{2}{9}\)

\(y=\dfrac{9}{9}-\dfrac{2}{9}\)

\(y=\dfrac{7}{9}\)

 

b). \(y-\dfrac{1}{2}=\dfrac{1}{4}\)

\(y=\dfrac{1}{4}+\dfrac{1}{2}\)

\(y=\dfrac{1}{4}+\dfrac{2}{4}\)

\(y=\dfrac{3}{4}\)

Answer 5

a. y - 1-2/9

y = 7/9

b. 1/4 + 1/2

= 3/4