• 2022-07-27 问题

    下列不是float属性的是()。 A: Aleft B: Bnone C: Cright D: Dall

    下列不是float属性的是()。 A: Aleft B: Bnone C: Cright D: Dall

  • 2021-04-14 问题

    在仿射坐标系中,其中,,,则向量的坐标是( ). https://latex.codecogs.com/gif.latex?%5Cleft%20%5C%7B%20O%3B%5Cvec%7Be%7D_%7B1%7D%2C%5Cvec%7Be%7D_%7B2%7D%2C%5Cvec%7Be%7D_%7B3%7D%20%5Cright%20%5C%7Dhttps://latex.codecogs.com/gif.latex?%5Cvec%7Be%7D_%7B1%7D%3D%5Cleft%20%5C%7B%201%2C-1%2C0%20%5Cright%20%5C%7Dhttps://latex.codecogs.com/gif.latex?%5Cvec%7Be%7D_%7B2%7D%3D%5Cleft%20%5C%7B%20-1%2C-1%2C1%20%5Cright%20%5C%7Dhttps://latex.codecogs.com/gif.latex?%5Cvec%7Be%7D_%7B3%7D%3D%5Cleft%20%5C%7B%20-2%2C1%2C2%20%5Cright%20%5C%7Dhttps://latex.codecogs.com/gif.latex?%5Cvec%7Ba%7D%3D%5Cleft%20%5C%7B%201%2C2%2C0%20%5Cright%20%5C%7D

    在仿射坐标系中,其中,,,则向量的坐标是( ). https://latex.codecogs.com/gif.latex?%5Cleft%20%5C%7B%20O%3B%5Cvec%7Be%7D_%7B1%7D%2C%5Cvec%7Be%7D_%7B2%7D%2C%5Cvec%7Be%7D_%7B3%7D%20%5Cright%20%5C%7Dhttps://latex.codecogs.com/gif.latex?%5Cvec%7Be%7D_%7B1%7D%3D%5Cleft%20%5C%7B%201%2C-1%2C0%20%5Cright%20%5C%7Dhttps://latex.codecogs.com/gif.latex?%5Cvec%7Be%7D_%7B2%7D%3D%5Cleft%20%5C%7B%20-1%2C-1%2C1%20%5Cright%20%5C%7Dhttps://latex.codecogs.com/gif.latex?%5Cvec%7Be%7D_%7B3%7D%3D%5Cleft%20%5C%7B%20-2%2C1%2C2%20%5Cright%20%5C%7Dhttps://latex.codecogs.com/gif.latex?%5Cvec%7Ba%7D%3D%5Cleft%20%5C%7B%201%2C2%2C0%20%5Cright%20%5C%7D

  • 2021-04-14 问题

    https://latex.codecogs.com/gif.latex?%5Cvec%7Ba%7D%5Cleft%20%28%20%5Cvec%7Ba%7D%20%5Ccdot%20%5Cvec%7Bb%7D%5Cright%20%29%3D%5Cleft%20%28%20%5Cvec%7Ba%7D%20%5Ccdot%20%5Cvec%7Ba%7D%5Cright%20%29%5Cvec%7Bb%7D

    https://latex.codecogs.com/gif.latex?%5Cvec%7Ba%7D%5Cleft%20%28%20%5Cvec%7Ba%7D%20%5Ccdot%20%5Cvec%7Bb%7D%5Cright%20%29%3D%5Cleft%20%28%20%5Cvec%7Ba%7D%20%5Ccdot%20%5Cvec%7Ba%7D%5Cright%20%29%5Cvec%7Bb%7D

  • 2022-05-31 问题

    用于定义段落标题大小组数的〈hi〉标记中align属性值有() A: Aleft B: Bcenter C: Cright D: Dcircle

    用于定义段落标题大小组数的〈hi〉标记中align属性值有() A: Aleft B: Bcenter C: Cright D: Dcircle

  • 2021-04-14 问题

    对任意三向量,向量积满足结合律,即。 https://latex.codecogs.com/gif.latex?%5Cleft%20%28%20%5Cvec%7Ba%7D%5Ctimes%20%5Cvec%7Bb%7D%20%5Cright%20%29%5Ctimes%20%5Cvec%7Bc%7D%3D%5Cvec%7Ba%7D%5Ctimes%20%5Cleft%20%28%5Cvec%7Bb%7D%5Ctimes%20%5Cvec%7Bc%7D%20%5Cright%20%29

    对任意三向量,向量积满足结合律,即。 https://latex.codecogs.com/gif.latex?%5Cleft%20%28%20%5Cvec%7Ba%7D%5Ctimes%20%5Cvec%7Bb%7D%20%5Cright%20%29%5Ctimes%20%5Cvec%7Bc%7D%3D%5Cvec%7Ba%7D%5Ctimes%20%5Cleft%20%28%5Cvec%7Bb%7D%5Ctimes%20%5Cvec%7Bc%7D%20%5Cright%20%29

  • 2022-05-28 问题

    If the liferaft capsizes,all personnel should leave the raft and(). A: Aclimb onto the bottom B: Bswim away from the raft C: Cright the raft using the righting strap D: Dinflate the righting bag

    If the liferaft capsizes,all personnel should leave the raft and(). A: Aclimb onto the bottom B: Bswim away from the raft C: Cright the raft using the righting strap D: Dinflate the righting bag

  • 2021-04-14 问题

    【单选题】要指定一个绝对位置 5 , 5 的点,应该输入: () @5 , 5 5 》 5 5 , 5 5<5< span=""> A. @5,5 B. 5》5 C. 5,5 D. 5<5

    【单选题】要指定一个绝对位置 5 , 5 的点,应该输入: () @5 , 5 5 》 5 5 , 5 5<5< span=""> A. @5,5 B. 5》5 C. 5,5 D. 5<5

  • 2022-06-09 问题

    根据乘方的意义可知:53=5×5×5,54=5×5×5×5,则53×54=(5×5×5)×(5×5×5×5)=57即53×54=57。想一想:

    根据乘方的意义可知:53=5×5×5,54=5×5×5×5,则53×54=(5×5×5)×(5×5×5×5)=57即53×54=57。想一想:

  • 2021-04-14 问题

    【单选题】下面程序执行结果() #include main() { int i ,j ; for(i=1; i<=5; i++) { for(j=1; j<=i; j++) printf("%2d",i); printf(" ",); } } A. 1 2 2 3 3 3 4 4 4 4 5 5 5 5 5 B. 1 2 3 4 5 C. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D. 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

    【单选题】下面程序执行结果() #include main() { int i ,j ; for(i=1; i<=5; i++) { for(j=1; j<=i; j++) printf("%2d",i); printf(" ",); } } A. 1 2 2 3 3 3 4 4 4 4 5 5 5 5 5 B. 1 2 3 4 5 C. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D. 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

  • 2021-04-14 问题

    5^2 5^3=5^5

    5^2 5^3=5^5

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