He's trying to take ( )his coat.A of B off C on
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He's trying to take ( )his coat.A of B off C on
用一张长6分米,宽2分米的长方形纸围成一个最大的圆柱,求这个圆柱的体积列式为( )A 6的平方X3.14X2 B 2的平方X3.14X6 C 2的平方X3.14X6X2 D (6除以2)的平方X2除以3.14
一个圆柱形水池,底面半径为2.5米,要使水面降低0.8米,需要排水多少立方米?
用一张长6分米,宽2分米的长方形纸围成一个最大的圆柱,求这个圆柱的体积列式为( )A 6的平方X3.14X2 B 2的平方X3.14X6 C 2的平方X3.14X6X2 D (6除以2)的平方X2除以3.14
一个圆柱形水池,底面半径为2.5米,要使水面降低0.8米,需要排水多少立方米?
1.B (take off是脱衣服,若用on应该是put on)
2.D (6分米是周长,要先求半径,再求底面积,最后求体积)
3.3.14*2.5*2.5*0.8≈15.7(立方米)
2.D (6分米是周长,要先求半径,再求底面积,最后求体积)
3.3.14*2.5*2.5*0.8≈15.7(立方米)
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