3 |
2 |
3 |
2 |
{ | x+y=1 2x-y=2 | } |
{ | x=1 y=0 |
{ | 2x-y=1 x+4y=5 |
{ | x+y=2 x-y=0 |
{ | x=1 y=1 |
{ | x+y=2 x-y=0 |
3 |
2 |
3 |
2 |
1 |
2 |
3 |
2 |
3 |
2 |
2 |
3 |
9 |
8 |
9 |
8 |
9 |
8 |
2 |
3 |
9 |
8 |
9 |
8 |
9 |
8 |
2 |
3 |
1 |
8 |
1 |
8 |
1 |
8 |
1 |
4 |
1 |
3 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
3 |
1 |
2 |
ax-1 |
x-a |
ax-1 |
x-a |
{ |
|
ax-1 |
x-a |
{ |
|
1 |
3 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
a2x+2x-3 |
ax-1 |
a2x+2x-3 |
ax-1 |
a2x+2x-3 |
ax-1 |
a2x+2x-3 |
ax-1 |
a2x+2x-3 |
ax-1 |
a2x+2x-3 |
ax-1 |
a2x+2x-3 |
ax-1 |
1 |
2 |
a2x+2x-3 |
ax-1 |
2a2+1 |
2a-1 |
1 |
2 |
1 |
2 |
1 |
2 |
a2x+2x-3 |
ax-1 |
5 |
3 |
5 |
3 |
5 |
3 |
5 |
3 |
ax-5 |
x2-a |
5 |
a |
5 |
a |
{ | √a <3<
a≥1 |
5 |
3 |
5 |
a |
{ |
√a √a ≤5 |
5 |
3 |
3 |
2 |
1 |
3 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
5 |
3 |
5 |
3 |
5 |
3 |
5 |
3 |