9乘7乘3=189立方cm,5乘5乘5=125立方cm,125+189=314立方厘米,314乘3等于=942立方厘米,3.14乘以100=314,942除以314=3cm
高为3cm
把一个长,宽,高分别是9,7,3,cm的铁块和一个棱长5cm的正方体铁块,熔铸成一个直径为10cm的圆锥铁块
把一个长,宽,高分别是9,7,3,cm的铁块和一个棱长5cm的正方体铁块,熔铸成一个直径为10cm的圆锥铁块
圆锥的高是多少
圆锥的高是多少
数学人气:844 ℃时间:2019-08-20 13:25:13
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