题目内容
解方程
| 12x=
|
| ||||||||||||
x÷
|
| x-
|
①
x=
x=
×
x=
；
②12x=
x=
×
x=
；
③
x=15
x=15×
x=18；
④x÷
=
x=
×
x=
；
⑤
+x=
x=
-
x=
；
⑥x-
=
x=
+
x=
．
| 5 |
| 9 |
| 5 |
| 18 |
x=
| 5 |
| 18 |
| 9 |
| 5 |
x=
| 1 |
| 2 |
②12x=
| 4 |
| 5 |
x=
| 4 |
| 5 |
| 1 |
| 12 |
x=
| 1 |
| 15 |
③
| 5 |
| 6 |
x=15×
| 6 |
| 5 |
x=18；
④x÷
| 3 |
| 8 |
| 2 |
| 3 |
x=
| 2 |
| 3 |
| 8 |
| 3 |
x=
| 16 |
| 9 |
⑤
| 3 |
| 4 |
| 8 |
| 9 |
x=
| 8 |
| 9 |
| 3 |
| 4 |
x=
| 5 |
| 36 |
⑥x-
| 4 |
| 15 |
| 2 |
| 5 |
x=
| 2 |
| 5 |
| 4 |
| 15 |
x=
| 2 |
| 3 |
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