口袋中有红,黄,蓝,白,黑5种颜色的球若干个。每次从口袋中取出3个不同颜色的球。问有多少种取法的C++代码-pockets of red, yellow, blue, white and black colors of the five Ball number. Out of pocket every three different colors on the ball. Asked how many copying the C++ code
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