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2770=2050+720 - D- E7 k2 r6 j$ O
4917=4394+523; f: [* }* Q/ C5 F5 Z+ i o
7329=6545+784, R& B4 V/ L& G9 e, I# H
1048=524*2" n Q0 G* }& d
" ^' R/ h3 T: Z8 x: c+ }1048-353=695--1783* `) ]9 j7 r+ H" I
. T* T4 r% M0 A& G% _, l; T* |1013-233=780---1512- P5 @+ Q) V# k5 ], p
' M4 P8 t* R6 _8 U1013-113=900-1664
5 Q' y: w* P0 ~4 G/ o7 b9 ]. ]# Y! {
353-233=1202 N( v7 b- r$ V9 W# h" r. p8 y
233-113=120
7 l7 m" `+ W6 { F4 w) X3 ^113-353=120
" d$ Y; `# ]% U9 p1783-1512-1664-27705 p& s) R/ g8 m6 N" A4 x# S
2770-1664=1106 a/ b0 }+ W/ U' e1 C
- `7 k! Y5 j; H Q+ u4379-3272=1107
4 Q2 L8 H1 g' l+ M1 p
) d$ \2 ~! V% g" i+ |# x2 t* W1514-1512-2770以1512为中心对称
/ e' q- s1 V0 w& M! O! ]1307-4312-2770..4312..................4 \7 r: Q0 A ~
2284-2923-2770..2923................. |
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