题目内容
| 2 |
| 5 |
| 1 |
| 8 |
| 3 |
| 4 |
分析:根据等式的确性质,在方程两边同时加上
,再乘
求解.
| 1 |
| 8 |
| 5 |
| 2 |
解答:解:
x-
=
,
x-
+
=
+
,
x×
=
×
,
x=2
.
| 2 |
| 5 |
| 1 |
| 8 |
| 3 |
| 4 |
| 2 |
| 5 |
| 1 |
| 8 |
| 1 |
| 8 |
| 3 |
| 4 |
| 1 |
| 8 |
| 2 |
| 5 |
| 5 |
| 2 |
| 7 |
| 8 |
| 5 |
| 2 |
x=2
| 3 |
| 16 |
点评:本题考查了学生利用等式的性质解方程的能力.
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