天气预报 > 育儿 > 2500X40的积的末尾5个0对吗
2500X40的积的末尾5个0对吗
更新时间: 2021-05-13 01:48:50  

1、2500X40的乘积为100 000,末尾有5个0是正确的。

2、计算类似乘积末尾0的个数,可以先数等号左边0的个数,然后都拿掉只算非0部分,就是25X4,等于100,计算之前有三个0,计算之后100里面有2个0,加起来也是5个0

关键词: 2500x40 末尾

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