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How much longer is the edge of a cube with a surface area of 1,350 than the edge of a cube with a surface area of 600?
How much longer is the edge of a cube with a surface area of 1,350 than the edge of a cube with a surface area of 600?
admin
2022-11-20
33
问题
How much longer is the edge of a cube with a surface area of 1,350 than the edge of a cube with a surface area of 600?
选项
A、5
B、15
C、150
D、250
E、750
答案
A
解析
设正方体的边长为a,表面S=6a
2
,那么a=
=15-10=5。
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