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積的變化規律
積的變化規律
更新时间:2024-11-10 01:58:06

  積的變化規律有以下兩種:

  1、兩數相乘,一個因數不變,另一個因數擴大或縮小幾倍,積就擴大或縮小幾倍。

  2、兩數相乘,兩個因數都擴大或縮小,積也擴大或縮小兩個倍數的乘積倍。

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