U 8 I flax) dx = 5 b o 2 را f x3 f (ux) dx = ? constant function is o ? 0

匿名用户 最后更新于 2021-12-01 19:08 数学类Mathematics

U 8 I flax) dx = 5 b o 2 را f x3 f (ux) dx = ? constant function is o ? 0

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