题目内容
计算:
×
÷
.
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分析:根据乘法法则分别进行计算;先把除法转化成乘法,再分别进行相乘即可求出答案;
解答:解:
×
÷
=5
×
×
=10;
| 75 |
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| 3 |
| 1 | ||
|
| 3 |
| ||
| 3 |
| 2 |
点评:主要考查了二次根式的乘法运算.二次根式的运算法则:乘法法则
•
=
.
| a |
| b |
| ab |
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