画两条线，在每条线上随机选取３个点。这６个点分成２个点一组的３组，每组用直线连起来。标记这些线的３个交点。奇怪的是，３个交点在同一条直线上。在所有的情况下都是这样吗？
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2024 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
