![印度数学和孙子算经:让你算得快算得准的古老法宝](https://wfqqreader-1252317822.image.myqcloud.com/cover/229/26189229/b_26189229.jpg)
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第八式 瞬间解答95×95
95×95=?你打算如何计算这个已经接近100的乘方运算?数字小一些的同类算题你能在多长时间内完成?先来检测一下吧。
·|学前自测|·
![figure_0055_0067](https://epubservercos.yuewen.com/B7FC65/14624327705753706/epubprivate/OEBPS/Images/figure_0055_0067.jpg?sign=1739883695-mhwAfAL5t34f7baDCWY7laL8tEBrxNG4-0-9199b6595e4782d7ea806dc6710f22a6)
答案:
①225 ②625 ③1225 ④2025 ⑤3025 ⑥4225 ⑦5625 ⑧7225 ⑨9025
让我们看一看来自印度数学的启示:
·印度数学第八式·
个位是5的两位数乘方运算:
步骤①:十位上的数字乘以比它大1的数;
步骤②:在上一步得数后面紧接着写上25。
·|例题解析|·
![figure_0056_0068](https://epubservercos.yuewen.com/B7FC65/14624327705753706/epubprivate/OEBPS/Images/figure_0056_0068.jpg?sign=1739883695-jsdiavNfrki9WldbZdhxADF5wNKMyIwq-0-53078296940ce84f818ab070bee557c8)
·|练习|·
![figure_0056_0069](https://epubservercos.yuewen.com/B7FC65/14624327705753706/epubprivate/OEBPS/Images/figure_0056_0069.jpg?sign=1739883695-jWJ5cjKr8Uh3KLzZ0vrMtStpa9Spc7fB-0-197ba0aa2d2e69c7742f0df71466b4c0)
![figure_0057_0070](https://epubservercos.yuewen.com/B7FC65/14624327705753706/epubprivate/OEBPS/Images/figure_0057_0070.jpg?sign=1739883695-nBxWZ2s6orAKm91ZyVVNJdFhW61D87ae-0-89aca854cf39134239207020d83707dd)
·|利用印度数学第八式,完成下面的计算|·
填空时盖住右边的答案,完成全部题目后再核对答案。提示:
![figure_0057_0071](https://epubservercos.yuewen.com/B7FC65/14624327705753706/epubprivate/OEBPS/Images/figure_0057_0071.jpg?sign=1739883695-NO4kSKs270uXPGLzrGfzHSStiNYe2lYb-0-bb2d3a92433c4e8ebfde87b15157db3a)