9/16+3/7-9/16+3/7
=(9/16-9/16)+(3/7+3/7)
=0+6/7
=6/7
9/16+3/7-9/16+3/7的簡便運算
9/16+3/7-9/16+3/7的簡便運算
數(shù)學人氣:848 ℃時間:2020-06-02 09:09:58
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