| S⊙O |
| S矩形PDEF |
| S⊙O |
| S矩形PDEF |
| π |
| 4 |
| S⊙O |
| S矩形PDEF |
| π |
| 4 |
| EF |
| DE |
| DE |
| EF |
| EF |
| DE |
| n |
| m |
| k |
| m |
| (a+h)2 |
| ah |
(-
| ||
|
| n2 |
| mk |
| k |
| m |
| n2 |
| mk |
| 4mk |
| mk |
| DF |
| 2 |
| DF2 |
| 4 |
| π |
| 4 |
| S⊙O |
| S矩形PDEF |
| π |
| 4 |
| EF |
| DE |
| DE |
| EF |
| EF |
| DE |
| S⊙O |
| S矩形PDEF |
| π |
| 4 |
| 1 |
| f |
| π |
| 4 |
| f |
| 1 | ||
|
| f |
| 1 | ||
|
| f |
| 1 | ||
|
| π |
| 4 |
| f |
| 1 | ||
|
| π |
| 2 |
| f |
| 1 | ||
|
| π |
| 4 |
| f |
| 1 | ||
|
| π |
| 2 |
| π |
| 2 |
| f |
| 1 | ||
|
| S⊙O |
| S矩形PDEF |
| π |
| 2 |
| S⊙O |
| S矩形PDEF |
| FP |
| AQ |
| BN |
| BM |
| e |
| AQ |
| e |
| h |
-n±
| ||
| 2m |
| (a+h)2 |
| ah |
| (a+h)2 |
| a-h |
| x2+y2 |
| ||
| 2 |
| S⊙O |
| S矩形PDEF |
| π(x2+y2) |
| 4xy |
| π |
| 4 |
| (x2+2xy+y2)-2xy |
| xy |
| π |
| 4 |
| (x+y)2 |
| xy |
| (x+y)2 |
| xy |
| π |
| 4 |
| (x+y)2 |
| xy |
| π |
| 4 |
| π |
| 2 |
| S⊙O |
| S矩形PDEF |
| π |
| 2 |
| S⊙O |
| S矩形PDEF |
| AB |
| BF |
| AG |
| EF |
| AB |
| BF |
| AQ |
| PF |
| AB |
| BF |
| AG |
| EF |
| AQ |
| PF |
-n+
| ||
| 2m |
-n-
| ||
| 2m |
科目:初中数学 来源: 题型:
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