题目内容
解方程:
|
x-
|
|
(1)
x=
,
.
x÷
=
÷
,
x=
;
(2)x-
x=10,
x=10,
x÷
=10÷
x,
x=18;
(3)
x=
×
,
x÷
=
÷
,
x=
.
| 3 |
| 8 |
| 3 |
| 10 |
.
| 3 |
| 8 |
| 3 |
| 8 |
| 3 |
| 10 |
| 3 |
| 8 |
x=
| 4 |
| 5 |
(2)x-
| 4 |
| 9 |
| 5 |
| 9 |
| 5 |
| 9 |
| 5 |
| 9 |
| 5 |
| 9 |
x=18;
(3)
| 8 |
| 9 |
| 1 |
| 6 |
| 16 |
| 51 |
| 8 |
| 9 |
| 8 |
| 9 |
| 8 |
| 153 |
| 8 |
| 9 |
x=
| 1 |
| 17 |
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