CHO BA ĐIỂM A B C , , PHÂN BIỆT. ĐẲNG THỨC NÀO SAU ĐÂY LÀ ĐẲNG...

câu 28. - BAI TAP TRAC NGHIEM HINH HOC 10 CHUONG 1

BAI TAP TRAC NGHIEM HINH HOC 10 CHUONG 1

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Câu 28. Cho ba điểm ^{A B C} ^{, ,} phân biệt. Đẳng thức nào sau đây là đẳng thức

sai?

A. ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^AB ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^BC ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^AC . B. ^ ^ ^ ^ ^ ^ ^ ^ ^CA ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^AB ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^BC . C. ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^{BA AC} ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^BC . D. ^ ^AB ^ ^ ^AC ^ ^ ^CB .