82-40 |
x |
40 |
x+2 |
9 |
60 |
82-40 |
x |
40 | ||
x-
|
1 | ||||
|
3 |
5 |
3 |
5 |
85%x+50%×800 |
800+x |
1 | ||||||||||||
|
1 |
x |
1 |
2x |
56 |
3 |
56 |
3 |
56 |
3 |
3 |
20 |
3 |
20 |
3 |
20 |
7 |
5 |
9 |
4 |
7 |
5 |
9 |
4 |
7 |
5 |
9 |
4 |
2 |
3 |
3 |
5 |
4 |
5 |
11 |
15 |
5 |
7x |
3 |
2x |
2x+1 |
1-x |
x2-1 |
x+1 |
x2-1 |
x |
x |
x2-1 |
x2-1 |
x |
A.y2-3y-1=0 | B.y2+3y-1=0 | C.y2-3y+1=0 | D.y2+3y+1=0 |
x2+1 |
x |
2x |
x2+1 |
x |
x2+1 |
x2+1 |
x-1 |
2 |
x-1 |
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