1.7×0.17的竖式计算到底怎么写步骤?

2025-03-15 03:43:17
推荐回答(4个)
回答1:

1.7×0.17的竖式计算如下:

先去掉小数把1.7放大10倍变为17,

把0.17放大100倍变为017,再按照整数乘法的计算。

扩展资料

竖式计算的方法:

1、相同数位对齐;

2、从右起,依次用第二个因数每位上的数去乘第一个因数,乘到哪一位,得数的末尾就和第二个因数的哪一位对个因数的哪一位对齐;

3、然后把几次乘得的数加起来。

4、整数末尾有0的乘法:可以先把0前面的数相乘,然后看各因数的末尾一共有几个0,就在乘得的数的末尾添写几个0。

除法用竖式计算时,从(最高位)开始除起,若不够除,那么就用(最高位)和下一位合成一个数来除,直到能除以除数为止。

乘法和除法的这些规则看似很多,但孩子只要一看就能够掌握这些计算规则。

回答2:

回答3:

竖式计算如图,答案是0.289(图中漏了个0)

回答4:

1.7*0.17=0.289

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