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標題:
一條方程問題 thx
發問:
y(y-3)+y(5-y)=3y，個答案係咩。 e條問題弟相當疑惑!!!!!值頭唔識!!!! 希望你哋幫幫忙! thx!唔該!
最佳解答:
其他解答:
y(y-3)+y(5-y)=3y y[(y-3)+(5-y)]=3y y-3+5-y=3 好似no solution wor|||||y(y-3)+y(5-y)=3y y(2)-3y+5y-y(2)=3y 2y=3y y=1.5 Maybe is this Answer.
一條方程問題 thx
發問:
y(y-3)+y(5-y)=3y，個答案係咩。 e條問題弟相當疑惑!!!!!值頭唔識!!!! 希望你哋幫幫忙! thx!唔該!
最佳解答:
此文章來自奇摩知識+如有不便請留言告知
y(y-3)+y(5-y)=3y y^2-3y+5y-y^2=3y 2y=3y y=0 看到兩邊有y不要抽出來約簡 除非y不等於0其他解答:
y(y-3)+y(5-y)=3y y[(y-3)+(5-y)]=3y y-3+5-y=3 好似no solution wor|||||y(y-3)+y(5-y)=3y y(2)-3y+5y-y(2)=3y 2y=3y y=1.5 Maybe is this Answer.
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