发布网友 发布时间:2022-05-10 04:27
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热心网友 时间:2023-10-31 19:27
101x99=(100+1)x99=100x99+1x99=9900+99=9999
第一种:101x99 =(100+1)x99 =100x99+1x99 =9900+99 =9999 第二种:101x99 =101x(100-1)=101x100-101x1 =10100-101 =9999
101x99=(100+1)(100-1)=100²-1=10000-1=9999
101x99 =(100+1)x99 =9900+99 =9999 101x99 101x(100-1)=10100-101 =9999
计算如下:=(100+1)*99 =9900+99 =9999
=100×99+1×99=9900+99=9999
101x99 =(100+1)x(100-1)=100x100-1 =10000-1 =9999
101×99 =(100+1)×99 =100×99+1×99 =9900+99 =9999
回答:(100+1)乘以(100-1)=10000-1=9999