一个长方体水池长5米宽2米深1.5米,求水池四个侧面铺瓷砖面积多少平方米?池内注水8吨池内水深多米

2025-04-07 12:14:48
推荐回答(4个)
回答1:

水池的四个侧面分为2组相同的侧面,这2组侧面的面积分别为:长X深、宽X深,所以:
水池四个侧面积=5X1.5X2+2X1.5X2=21平方米
因为水的密度是:1.0X10^3千克/立方米,8吨=8X10^3千克
所以由公式v=m/ρ得:v=8X10^3/1.0X10^3=8立方米
因为水池中水的体积计算公式是:水的体积=水池底面积X水深,水池底面积=长X宽
所以水深=水的体积/水池底面积=8/(5X2)=0.8米

回答2:

(5+2)x2x1.5
=7x3
=21平方米
8÷(5x2)
=0.8米
答:水池四个侧面铺瓷砖面积21平方米。池内注水8吨时池内水深0.8米。

回答3:

四个侧面铺瓷砖的面积是﹙5+2﹚×2×1.5=21﹙平方米﹚
池内水深 8×1÷﹙5×2﹚=0.8﹙米﹚

回答4:

(5十2)x2x1.5=21(平方米)
8÷(5x2)=0.8(米)

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