| a+1 |
| 1-b |
| (-144)×(-169) |
| 18m2n |
| 9×9+19 |
| 99×99+199 |
| 999×999+1999 |
已知a、b、c位置如图所示,试化简:| a2 |
| (b-c)2 |
| (b-a)2 |
| 0.01×0.16 |
| 52+122 |
12+2+(
|
22+2+(
|
| 1 |
| 2 |
| 1 |
| 2 |
32+2+(
|
| 1 |
| 3 |
| 1 |
| 3 |
42+2+(
|
| 1 |
| 4 |
42+2+(
|
| 1 |
| 4 |
n2+2+(
|
| 1 |
| n |
n2+2+(
|
| 1 |
| n |
1+
|
| 1 |
| 1 |
| 1 |
| 1+1 |
| 1 |
| 2 |
1+
|
| 1 |
| 2 |
| 1 |
| 2+1 |
| 1 |
| 6 |
1+
|
| 1 |
| 3 |
| 1 |
| 3+1 |
| 1 |
| 12 |
1+
|
(2003·海淀区模拟)实数a,b在数轴对应的点A、B表示如图,化简| a2-4a+4 |
| 1 |
| 2m4 |
| (-35)2 |
| 1 |
| 2 |
| x2-2x+1 |
| x2-6x+9 |
| 4x2+4x+1 |