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下述各项正确的是 ( )
- A.(1,-2,3)
- B.(1,2,-3)
- C.(-1,2,3)
- D.(-1,-2,-3)
- A.<img src="//img1.yqda.net/question-name/7d/5adf71ff0a5d22c7041055484652dd.jpg" alt="" />
- B.<img src="//img1.yqda.net/question-name/a8/6ef13e0e82e4dca8eb4891a261b90b.jpg" alt="" />
- C.<img src="//img1.yqda.net/question-name/7d/78329837c8b76c25bea6e94b4fcfb1.jpg" alt="" />
- D.<img src="//img1.yqda.net/question-name/aa/ceb44e50be34bdc17e99ce95de387d.jpg" alt="" />
- A.(1,-2,3)
- B.(1,2,-3)
- C.(-1,2,3)
- D.(-1,-2,-3)
- A.<img src="//img1.yqda.net/question-name/9f/ace0974e52d0c5cae765f4be7145a0.jpg" alt="" />
- B.<img src="//img1.yqda.net/question-name/58/efbd33470efaebdbaa74432ba35fc0.jpg" alt="" />
- C.<img src="//img1.yqda.net/question-name/6f/50c57a4889ff166cf6eab046627654.jpg" alt="" />
- D.<img src="//img1.yqda.net/question-name/7a/16baf3525283a6f2c58f0e987d6543.jpg" alt="" />
- A.<img src="//img1.yqda.net/question-name/8f/484b6d9b2409bdf3461475d3f67ace.jpg" alt="" />
- B.<img src="//img1.yqda.net/question-name/a4/4c204bfb1e1096c7f421fa9480b038.jpg" alt="" />
- C.<img src="//img1.yqda.net/question-name/ea/754d6fff18dcf40b6b01324a047469.jpg" alt="" />
- D.<img src="//img1.yqda.net/question-name/02/41f861b5c419401af20899ff9bcd03.jpg" alt="" />