1 |
2a+b |
1 |
b+1 |
1 |
2a+b |
1 |
b+1 |
(2a+b)+3(b+1) |
2 |
3 |
2 |
(2a+b)+3(b+1) |
2 |
1 |
2a+b |
1 |
b+1 |
3 |
2 |
1 |
2 |
3(b+1) |
2a+b |
2a+b |
b+1 |
3 |
2 |
1 |
2 |
|
3 |
2 |
4+2
| ||
2 |
3 |
2 |
2
| ||
2 |
3(b+1) |
2a+b |
2a+b |
b+1 |
1 |
2a+b |
1 |
b+1 |
| ||
3 |
1 |
2 |
| ||
3 |
2
| ||
2 |
2
| ||
2 |
x2 |
x+2 |
y2 |
y+1 |
x2 |
a2 |
y2 |
b2 |
a2 |
x2 |
b2 |
y2 |
1 |
x+1 |
2 |
x |
8 |
y |
A.最大值18 | B.最小值18 | C.最小值
| D.最大值
|
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