99999999x99999999简便计算,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 00:34:52
![99999999x99999999简便计算,](/uploads/image/z/2677073-41-3.jpg?t=99999999x99999999%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%2C)
99999999x99999999简便计算,
99999999x99999999简便计算,
99999999x99999999简便计算,
思路如下:
99999999*99999999=99999999*(100000000-1)
=9999999900000000-99999999
=9999999900000000-100000000+1
=9999999800000000+1
=9999999800000001
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