题目内容
解方程:
x÷
| x-
| x×(
|
x÷
=
x=
×
,
x=
;
x-
x=12
x=12,
x=12÷
,
x=30;
x×(
+
)=
x=
,
x=
÷
,
x=1
.
| 2 |
| 3 |
| 3 |
| 8 |
x=
| 2 |
| 3 |
| 3 |
| 8 |
x=
| 1 |
| 4 |
x-
| 3 |
| 5 |
| 2 |
| 5 |
x=12÷
| 2 |
| 5 |
x=30;
x×(
| 1 |
| 3 |
| 2 |
| 5 |
| 22 |
| 19 |
| 11 |
| 15 |
| 22 |
| 19 |
x=
| 22 |
| 19 |
| 11 |
| 15 |
x=1
| 11 |
| 19 |
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