1( 1)(x+5)? +(y-3)? =25 (2) x? +y? - 10y+20=0
2 (x-5/3)? +y? =25/9
3 cutting
4 4√ 10
5(x-2)? +(y+3)? =25
6 x-y+2=0
7 (x-4)? +(y+2)? = 1
8 m= 1 (x-2)? +(y+ 1)? =4
Group b
1 (x- 1)? +(y+2)? =2
2 yuan
3 2+π
4 (7, 1)(-5,-5) 15
6 (3, 1) 4√5
What is the principle of open competition?
The principle of open competition means that the more an organization wants to improve its management