题目内容
| 6 |
| 7 |
| 5 |
| 6 |
| 2 |
| 3 |
分析:根据分数的加减法的计算方法进行计算即可得到答案.
解答:解:
-
+
,
=
-
+
,
=
+
,
=
.
| 6 |
| 7 |
| 5 |
| 6 |
| 2 |
| 3 |
=
| 36 |
| 42 |
| 35 |
| 42 |
| 2 |
| 3 |
=
| 1 |
| 42 |
| 28 |
| 42 |
=
| 29 |
| 42 |
点评:此题主要考查的是分数加减混合运算的计算方法.
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题目内容
| 6 |
| 7 |
| 5 |
| 6 |
| 2 |
| 3 |
| 6 |
| 7 |
| 5 |
| 6 |
| 2 |
| 3 |
| 36 |
| 42 |
| 35 |
| 42 |
| 2 |
| 3 |
| 1 |
| 42 |
| 28 |
| 42 |
| 29 |
| 42 |