如图1,在正方形中,点、分别是、的中点,、相交于点,则可得得结论:�;�。不需要证明。 1如图2,若点、不是正方形的边的中点,但满足 Template




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tomski如图1,在正方形中,点、分别是、的中点,、相交于点,则可得得结论:�;�。不需要证明。 1如图2,若点、不是正方形的边的中点,但满足 coloring