过程1/3+1/6+1/4 2/5-3/4+7/10 2/5-1/3+1/2 5/8+2/5-3/1过程1/3+1/6+1/42/5-3/4+7/102/5-1/3+1/25/8+2/5-3/16

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/01 07:51:53
过程1/3+1/6+1/4 2/5-3/4+7/10 2/5-1/3+1/2 5/8+2/5-3/1过程1/3+1/6+1/42/5-3/4+7/102/5-1/3+1/25/8+2/5-3/16
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过程1/3+1/6+1/4 2/5-3/4+7/10 2/5-1/3+1/2 5/8+2/5-3/1过程1/3+1/6+1/42/5-3/4+7/102/5-1/3+1/25/8+2/5-3/16
过程1/3+1/6+1/4 2/5-3/4+7/10 2/5-1/3+1/2 5/8+2/5-3/1
过程1/3+1/6+1/4
2/5-3/4+7/10
2/5-1/3+1/2
5/8+2/5-3/16

过程1/3+1/6+1/4 2/5-3/4+7/10 2/5-1/3+1/2 5/8+2/5-3/1过程1/3+1/6+1/42/5-3/4+7/102/5-1/3+1/25/8+2/5-3/16
1/3+1/6+1/4=4/12+2/12+3/12=9/12=3/4
2/5-3/4+7/10=8/20-15/20+14/20=7/20
2/5-1/3+1/2=12/30-10/30+15/30=17/30
5/8+2/5-3/16=50/80+32/80-15/80=67/80
变成通项就可以加减了,