TVET CHNS,Eng,Maths
Senior High
第七題我哪裡算錯?
7. 設平面上向量丽+(12),BC=(3,4),感.
① B · 脆CĀBxACL)+CABzxACL) = 3 +8
再或
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第七題我哪裡算錯?
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