0.78乘以六点一怎样列竖式计算

0.78乘以六点一怎样列竖式计算
2025-03-16 14:34:04
推荐回答(3个)
回答1:

0.78乘以六点一竖式计算如下:

0.78×6.1=4.758

解析:在计算前先把0.78扩大100倍变成78,6.1扩大10倍变成61,然后根据整数的乘法进行计算。

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。

算出积后,再看乘数中一共有几位小数,就从积的右边起数出几位,点上小数点。(小数计算中,积的小数部分末尾的0去掉)。

扩展资料:

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。

小数乘法竖式注意事项

1、列竖式时,是因数的尾数对齐。

2、列竖式时,为了计算方便数位多的因数一般放在上面。

3、如果有整十整百整千类的因数时,两个因数的从右数第一位非零数对齐,然后再在得数里填上相应个数的0。

4、如果得数的末尾有0,先点完小数点再去0。

5、如果小数的位数不够,需要在前面补0占位。

回答2:

0.78乘以六点一怎样列竖式计算

=4.758

回答3:

0.78 × 6.1  = 4.758

竖式i见图:

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