GRE数学题what is the maximum number of cubes with sides of leng
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GRE数学题
what is the maximum number of cubes with sides of length that could fit inside a cube with sides of length 2s ?
A8
B16
C32
D64
E128 *
首先请说明题目的意思,其次请讲解为什么选E128.谢谢您.
what is the maximum number of cubes with sides of length that could fit inside a cube with sides of length 2s ?
A8
B16
C32
D64
E128 *
首先请说明题目的意思,其次请讲解为什么选E128.谢谢您.
它是问边长为1的立方体放到边长为2s的立方体里最多能放几个.
+ - U+ E9 k6 v边长为1的立方体体积为1,边长为2s的立方体体积为8s^3.+ l; L7 },Y:R% V,P& }
因为s的值为多少并不知,所以具体能放多少个并不知道,但放入的个数应为8的倍数,所以答案选那个是128的倍数的就行了.
+ - U+ E9 k6 v边长为1的立方体体积为1,边长为2s的立方体体积为8s^3.+ l; L7 },Y:R% V,P& }
因为s的值为多少并不知,所以具体能放多少个并不知道,但放入的个数应为8的倍数,所以答案选那个是128的倍数的就行了.
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