x2-2x+1 |
x2-x |
3 |
x |
x+2 |
x |
x+2 |
x |
a2 |
a-1 |
1 |
a-1 |
a2-4 |
a+2 |
4 |
m-上 |
m上 |
上-m |
1 |
1×3 |
1 |
2 |
1 |
3 |
1 |
3×5 |
1 |
2 |
1 |
3 |
1 |
5 |
1 |
5×7 |
1 |
2 |
1 |
5 |
1 |
7 |
1 |
1×3 |
1 |
3×5 |
1 |
5×7 |
3 |
7 |
3 |
7 |
1 |
1×3 |
1 |
3×5 |
1 |
5×7 |
1 |
(2n-1)(2n+1) |
n |
2n+1 |
n |
2n+1 |
4 |
x2-1 |
A |
x-1 |
B |
x+1 |
1 |
x-1 |
1 |
x-1 |
x |
x-1 |
IR |
n |
nE |
R+nr |
nE |
R+nr |
1 |
x+3 |
x2+3x+3 |
x+3 |
x2+3x+3 |
x+3 |
y |
y2-x2 |
1 |
y+x |
x |
y2-x2 |
x |
y2-x2 |