甲乙两根木棒插在水池中,两根木棒的和是330cm,甲棒有5/1露在水面上,乙棒有3/1露在水面上,水深多少?
急,快!
人气:401 ℃ 时间:2020-02-06 06:08:00
解答
设甲长X,乙长Y
4/5*X=2/3*Y
X+Y=330
解得X=180,Y=150
所以水深120cm
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