如果
,那么m的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e38f1dfcbc043cd29adde4940535952.png)
更新时间:2024-04-23 18:07:47
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【推荐2】若直角三角形的两条直角边长分别为
,则第三条边长
的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5bc168ba33c0bd99aeefbf094f64c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐2】小贤做题:19
×20
,他写成19
×20
=(a﹣b)(a+b)的形式,利用平方差公式计算就非常简便,则a=___ ,b=___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
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