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如图,在长方体AC1中,分别过BC和A1D1的两个平行平面如果将长方体分成体积相...
如图,在长方体AC
1中,分别过BC和A
1D
1的两个平行平面如果将长方体分成体积相等的三个部分,那么
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=
.
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若平面上三点A、B、C满足|
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|=3,|
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的值等于
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设定义域为R的函数f(x),g(x)都有反函数,且函数f(x-1)和g
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若
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D.
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