7/10+(5/6-2/7)能簡算就簡算 急 1
7/10+(5/6-2/7)能簡算就簡算 急 1
7/10+(5/6-2/7)
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7/10+(5/6-2/7)
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=
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數(shù)學(xué)人氣:848 ℃時間:2020-10-02 01:51:10
優(yōu)質(zhì)解答
化簡,再算得數(shù),這題不能簡便.7/10+(5/6-2/7)===??????=420\294+(420\350-420\120)=420\1024夠了吧,快采納
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