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和差公式
和差公式
更新时间:2026-06-01 14:34:19

  1、(和+差)÷2=大數

  (和-差)÷2=小數

  2、和倍問題

  和÷(倍數+1)=小數

  小數×倍數=大數

  (或者和-小數=大數)

  3、差倍問題

  差÷(倍數-1)=小數

  小數×倍數=大數

  (或小數+差=大數)

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