Quan hệ vuông góc 11
Authored by Trung Bùi Thành
Mathematics
11th Grade
Used 8+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 2 (Câu 18 - Đề 2): Cho hình tứ diện OABC có , OA, OB, OC đôi một vuông góc. Mệnh đề nào sau đây là sai ?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
SA=SB=SC
(SAC) là mặt phẳng trung trực của BD
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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