题目内容
| 4 |
| 5 |
| 1 |
| 5 |
| 2 |
| 3 |
分析:先求出
加
的和,再运用分数乘法意义即可解答.
| 4 |
| 5 |
| 1 |
| 5 |
解答:解:(
+
)×
=1×
=
答:
与
的和的
是
.
| 4 |
| 5 |
| 1 |
| 5 |
| 2 |
| 3 |
=1×
| 2 |
| 3 |
=
| 2 |
| 3 |
答:
| 4 |
| 5 |
| 1 |
| 5 |
| 2 |
| 3 |
| 2 |
| 3 |
点评:明确运算的顺序,并正确进行计算,是解答此类题目的根据.
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