`x+ 1/9 =2`
`=> x= 2-1/9`
`=> x= 18/9 -1/9`
`=>x=17/9`
__
`x:1/3 =5-1/5`
`=>x:1/3 =25/5 -1/5`
`=>x:1/3 = 24/5`
`=> x= 24/5 xx 1/3`
`=>x= 24/15= 8/5`
`x+1/9=2`
`=>x=2-1/9`
`=>x=18/9-1/9`
`=>x=17/9`
`x:1/3=5-1/5`
`=>x:1/3=25/5-1/5`
`=>x:1/3=24/5`
`=>x=24/5xx1/3`
`=>x=8/5`
x = 2 - 1/9 x: 1/3 = 5-1/5
x = 1 - 1/9 + 1 x: 1/3 = 1- 1/5 +4
x = 17/9 x x 3 = 24/5
x = tự tính
( cho thông minh )
x+1/9=2
=
>
�
=
2
−
1
/
9
=>x=2−1/9
=
>
�
=
18
/
9
−
1
/
9
=>x=18/9−1/9
=
>
�
=
17
/
9
=>x=17/9
__
�
:
1
/
3
=
5
−
1
/
5
x:1/3=5−1/5
=
>
�
:
1
/
3
=
25
/
5
−
1
/
5
=>x:1/3=25/5−1/5
=
>
�
:
1
/
3
=
24
/
5
=>x:1/3=24/5
=
>
�
=
24
/
5
�
�
1
/
3
=>x=24/5xx1/3
=
>
�
=
24
/
15
=
8
/
5
=>x=24/15=8/5