99(1/4)*100(3/4)因式分解计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 14:05:21
![99(1/4)*100(3/4)因式分解计算](/uploads/image/z/65721-57-1.jpg?t=99%281%2F4%29%2A100%283%2F4%29%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E8%AE%A1%E7%AE%97)
99(1/4)*100(3/4)因式分解计算
99(1/4)*100(3/4)因式分解计算
99(1/4)*100(3/4)因式分解计算
99(1/4)*100(3/4)
=(99*4+1)* (100*4+3)/16
=(100*4-4+1)* (100*4+3)/16
=(100*4-3)* (100*4+3)/16
= [(100*4)²-3²)]/16
=(100*4)²/16-3²/16
=100²-9/16
=10000-9/16
=9999(7/16)