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高三复习

Authored by Ng Ying

Mathematics

11th - 12th Grade

Used 14+ times

高三复习
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12 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

求圆心为(3,-2),半径为5的圆方程式。

x2+y26x+4y12=0x^2+y^2-6x+4y-12=0

x2+y26x4y12=0x^2+y^2-6x-4y-12=0

x2+y2+6x+4y+12=0x^2+y^2+6x+4y+12=0

x2+y26x4y+12=0x^2+y^2-6x-4y+12=0

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 x2+y24x+8y27=0x^2+y^2-4x+8y-27=0 的圆心。 

(3,-2)

(3,2)

(2,-4)

(2,4)

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

求圆 x2+y210x+8y8=0x^2+y^2-10x+8y-8=0  的半径

5

6

7

8

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

求点(10,8)到圆 x2+y24x4y17=0x^2+y^2-4x-4y-17=0  的最短距离


6

7

8

5

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

用中文字“人人为我我为人人”全取而排有多少种排法?

540

420

560

600

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

由8男3女选出4位代表参加辩论比赛,至少有2位女生被选为代表的方法有多少种?

82

72

92

62

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

投一颗骰子,求得到”6“的概率。

16\frac{1}{6}

26\frac{2}{6}

36\frac{3}{6}

46\frac{4}{6}

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