隻有邊角邊相等時,兩個三角型才全等.第二證明中是用的邊邊角,是不對的.
第一證明是對的,第二是錯的.
所有跟帖:
• dayuwang is correct. -compound- ♂ (0 bytes) () 02/23/2009 postreply 16:12:03
隻有邊角邊相等時,兩個三角型才全等.第二證明中是用的邊邊角,是不對的.
• dayuwang is correct. -compound- ♂ (0 bytes) () 02/23/2009 postreply 16:12:03
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