3的立方等于多少 简单解释立方四年级约等于的概念是什么并计算3的立方?


数学里的3的平方立方次方这些都是怎么回事?都怎么用怎么说?那么次方和立方不就一样呢?...
数学里的 3的平方 立方 次方 这些都是怎么回事?
都怎么用 怎么说?那么次方和立方不就一样呢?
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展开全部3的2次方: 也就是3的平方=3*33的3次方:也就是3的立方=3*3*33的4次方=3*3*3*33的5次方=3*3*3*3*33的6次方=3*3*3*3*3*3……以此类推。
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展开全部面积:只算地面,所以不用乘厚度1.5×0.1×100=15平方米体积=底面积×高15×0.02=0.3立方米
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