1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
x0 |
2 |
y0+1 |
x02+(y0-1)2 |
2y0+(y0-1)2 |
y02+1 |
1 |
2 |
y02+1 |
1 |
2 |
y0+1 |
2 |
1 |
2 |
1 |
2 |
r2-d2 |
|
x2 |
2 |
x02 |
2 |
x0 |
2 |
x0 |
2 |
x0 |
2 |
|x0| |
2 |
1 |
2 |
1 |
2 |
| ||||
x0 |
|(x02-1)
| ||
|
|x0| |
2 |
A.x-ey=0 | B.x+ey=0 | C.x+ey-2e=0 | D.x-ey+2=0 |
f(x0-2△x)-f(x0) |
△x |
m |
x |
© 2017-2019 超级试练试题库,All Rights Reserved.