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2770=2050+720
0 Z; @" R/ U& s. G4917=4394+523* Q& F* r, g( D7 @& V
7329=6545+784
) @; t" l; k9 H1048=524*27 p2 {: A3 b! t
& D3 B( j; |* E- e% u I$ `# p, o1048-353=695--1783
- ^# Y, u1 }% L6 H1 a) I- y& y% H6 D* L6 m5 L
1013-233=780---1512/ q7 d2 h3 z$ a$ h$ \" \" Z
" i- n: }$ p# _% c* [2 O# _
1013-113=900-16649 {1 c7 Q! }+ ]" b \/ ?" U
& ^2 V6 s3 z; F& S# ]
353-233=120$ \' S% y4 [9 X% V. g2 r+ {
233-113=120
+ D# G7 D( e% G/ Y8 I113-353=120, x) H) Z6 r# `0 Y* s
1783-1512-1664-2770
6 b0 n% [. l' c5 K7 y2770-1664=1106' f6 ^; H+ O- N) m1 |) U
! T" G5 {) Q$ z0 ?1 A& c+ h9 q4379-3272=1107, e+ m V- W! Z9 b1 h& p ^0 C
5 \' z2 s0 \0 L7 l' |' J1514-1512-2770以1512为中心对称
8 V& D9 M/ D. A- W, U! Y1307-4312-2770..4312..................
6 C! N! K7 y6 S' K2284-2923-2770..2923................. |
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