题目内容
(2007?崇文区)
×
+
x=
.
| 9 |
| 10 |
| 5 |
| 12 |
| 2 |
| 3 |
| 5 |
| 6 |
分析:先计算
×
=
,变为
+
X=
,再根据等式的性质,两边同减去
,再除以
即可.
| 9 |
| 10 |
| 5 |
| 12 |
| 3 |
| 8 |
| 3 |
| 8 |
| 2 |
| 3 |
| 5 |
| 6 |
| 3 |
| 8 |
| 2 |
| 3 |
解答:解:
×
+
X=
,
+
X=
,
-
+
X=
-
,
X=
,
X÷
=
÷
,
X=
×
,
X=
.
| 9 |
| 10 |
| 5 |
| 12 |
| 2 |
| 3 |
| 5 |
| 6 |
| 3 |
| 8 |
| 2 |
| 3 |
| 5 |
| 6 |
| 3 |
| 8 |
| 3 |
| 8 |
| 2 |
| 3 |
| 5 |
| 6 |
| 3 |
| 8 |
| 2 |
| 3 |
| 11 |
| 24 |
| 2 |
| 3 |
| 2 |
| 3 |
| 11 |
| 24 |
| 2 |
| 3 |
X=
| 11 |
| 24 |
| 3 |
| 2 |
X=
| 11 |
| 16 |
点评:此题考查了学生解方程的能力,注意等号对齐,依据等式性质来解答.
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