X(1-0.25)=0.25
0.75X=0.25
X=1/3
X-0.25X=0.25
X-0.25X=0.25
算式面皮機會很怕很怕斤斤計較
算式面皮機會很怕很怕斤斤計較
數學人氣:169 ℃時間:2020-04-04 17:22:53
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