问题描述:
比较有趣的数学题,
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● ● ● ●用直线一笔连成.不能用斜线,也不准穿过空格.将24个黑点一笔连成.
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● ● ● ●用直线一笔连成.不能用斜线,也不准穿过空格.将24个黑点一笔连成.
问题解答:
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