(2/7+2/5*7/3-1/8)*(7/8-87.5%)简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 02:09:39
![(2/7+2/5*7/3-1/8)*(7/8-87.5%)简便计算](/uploads/image/z/223794-18-4.jpg?t=%282%2F7%2B2%2F5%2A7%2F3-1%2F8%29%2A%287%2F8-87.5%25%29%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
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(2/7+2/5*7/3-1/8)*(7/8-87.5%)简便计算
(2/7+2/5*7/3-1/8)*(7/8-87.5%)简便计算
(2/7+2/5*7/3-1/8)*(7/8-87.5%)简便计算
87.5%=7/8
(2/7+2/5*7/3-1/8)*(7/8-87.5%)=(2/7+2/5*7/3-1/8)*(7/8-7/8)=0