题目内容
求未知数x
125%x-x=
:
=x:
.
125%x-x=
| 3 |
| 8 |
| 3 |
| 4 |
| 1 |
| 2 |
| 4 |
| 5 |
(1)125%x-x=
,
(125%-1)x=
,
x=
,
x×4=
×4,
x=
;
(2)
:
=x:
,
x=
×
,
x×2=
×2,
x=
.
| 3 |
| 8 |
(125%-1)x=
| 3 |
| 8 |
| 1 |
| 4 |
| 3 |
| 8 |
| 1 |
| 4 |
| 3 |
| 8 |
x=
| 3 |
| 2 |
(2)
| 3 |
| 4 |
| 1 |
| 2 |
| 4 |
| 5 |
| 1 |
| 2 |
| 3 |
| 4 |
| 4 |
| 5 |
| 1 |
| 2 |
| 3 |
| 5 |
x=
| 6 |
| 5 |
练习册系列答案
相关题目