- 7
-
化简
- 11
-
已知
_____.
- A.10%
- B.20%
- C.<img src="//img1.yqda.net/question-name/53/34b94686b48fe99cc8680973853214.png" width="15" height="42"/>
- D.<img src="//img1.yqda.net/question-name/01/691002fd909c3b4b1ce3eb22b9b298.png" width="20" height="42"/>
- A.(x+1)<sup>2</sup>+(y-1)<sup>2</sup>=2
- B.(x-1)<sup>2</sup>+(y+1)<sup>2</sup>=2
- C.(x-1)<sup>2</sup>+(y-1)<sup>2</sup>=2
- D.(x+1)<sup>2</sup>+(y+1)<sup>2</sup>=2
- A.<img src="//img1.yqda.net/question-name/44/003034056c110cce2f24596fe0bcb7.png" width="32" height="24"/>cm
- B.24cm
- C.<img src="//img1.yqda.net/question-name/f8/4a4771a2acffc783d283124e861804.png" width="40" height="23"/>cm
- D.<img src="//img1.yqda.net/question-name/00/43a03ac2e06bf3c1190c772fe15421.png" width="32" height="24"/>cm
- A.1
- B.<img src="//img1.yqda.net/question-name/8f/eb9a31f5186610a3452824e9b71514.png" width="27" height="46"/>
- C.2
- D.<img src="//img1.yqda.net/question-name/96/ce8af527ee4740bea06b271402bd54.png" width="24" height="24"/>
- A.210
- B.360
- C.464
- D.600
- A.42
- B.39
- C.38
- D.36
- A.第一象限
- B.第二象限
- C.第三象限
- D.第四象限
- A.8
- B.2
- C.-4
- D.-8
- 21
-
tan960°的值是()
- A.<img src="//img1.yqda.net/question-name/27/5002a47d1790e86ea41a1d88fa6ec5.png" width="24" height="24"/>
- B.<img src="//img1.yqda.net/question-name/f0/fccbf071fd1aed3a67c9b6ce057c05.png" width="36" height="24"/>
- C.<img src="//img1.yqda.net/question-name/d0/3fdf2931550b0cdf1d3fb106c843e5.png" width="27" height="46"/>
- D.<img src="//img1.yqda.net/question-name/5e/46fb6608cb6e25e09f650b31b43cc3.png" width="39" height="46"/>
- A.-2
- B.2
- C.<img src="//img1.yqda.net/question-name/f9/25c0f7b33a37570fdeed26e311ee69.png" width="27" height="42"/>
- D.<img src="//img1.yqda.net/question-name/7c/0648cb114b6916ab291c9fc98cf2fd.png" width="16" height="42"/>