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232乘以19约等于多少

更新时间: 2020-09-20 00:00:00     

精确到千位就约等于4000,百位和十位都是4400;

乘法有三种运算规律;

1、乘法交换律是两个数相乘,交换因数的位置,它们的积不变;

2、乘法结合律是三个数相乘,先把前两个数相乘,再和另外一个数相乘,或先把后两个数相乘,再和另外一个数相乘,积不变;

3、乘法分配律是两个数的和同一个数相乘等于把两个加数分别同这个数相乘,再把两个积加起来,和不变。

关键词: 乘以 等于 多少

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