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和差公式
更新时间: 2021-01-27 03:40:15  

1、(和+差)÷2=大数

(和-差)÷2=小数

2、和倍问题

和÷(倍数+1)=小数

小数×倍数=大数

(或者和-小数=大数)

3、差倍问题

差÷(倍数-1)=小数

小数×倍数=大数

(或小数+差=大数)

关键词: 公式

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