40.5的立方根是好多?派R的平方乘以0.62等于40.5求R等于好多?
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/18 05:38:55
40.5的立方根是好多?派R的平方乘以0.62等于40.5求R等于好多?
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![40.5的立方根是好多?派R的平方乘以0.62等于40.5求R等于好多?](/uploads/image/z/15567939-27-9.jpg?t=40.5%E7%9A%84%E7%AB%8B%E6%96%B9%E6%A0%B9%E6%98%AF%E5%A5%BD%E5%A4%9A%3F%E6%B4%BER%E7%9A%84%E5%B9%B3%E6%96%B9%E4%B9%98%E4%BB%A50.62%E7%AD%89%E4%BA%8E40.5%E6%B1%82R%E7%AD%89%E4%BA%8E%E5%A5%BD%E5%A4%9A%3F)
40.5的立方根是3.434142728,计算器算的.
πR^2*0.62=40.5
R^2=40.5/(π*0.62)=20.80
所以R=√20.80=4.56
πR^2*0.62=40.5
R^2=40.5/(π*0.62)=20.80
所以R=√20.80=4.56