|
|
2770=2050+720
( _. w) C( X( Z% Q& s+ D1 ]+ I9 [2 Z4917=4394+523
) M6 e7 `6 d$ ^4 p" h' G6 W3 v* f: v7329=6545+784) m4 n" d4 W% r# w. p2 s0 T) }
1048=524*2; i; A; \* d, j5 p% ?0 u0 Q
* z6 z5 n; z: I1 ^1048-353=695--1783$ b$ P' B( l* k$ }5 I7 X! K' z5 R# o
- T3 `, A) P8 ?$ J' x: {. C |* q+ |, ]
1013-233=780---1512* W' A m( J/ S( O
7 J0 o* p! |- x
1013-113=900-16648 Y }+ a* f M) h# A3 z
" @6 j' \' z" c
353-233=120. p8 J3 N- O% ~! B% e5 O- i
233-113=1207 L, p- C4 C1 r; K' f
113-353=120
% t# _# f2 d" j5 O' c+ p1783-1512-1664-2770& R3 v) O7 k7 U% t2 ]+ B
2770-1664=1106$ _* v. P- N% p* }
4 s+ a+ ^; o' j. S# L e$ ~4379-3272=1107
$ R, c, }) f/ l# ^3 Z1 b% Z" r2 T" x( G! P
1514-1512-2770以1512为中心对称
! z4 j! Q5 _( H1307-4312-2770..4312..................9 k% P; e6 f# |$ t% N# ~
2284-2923-2770..2923................. |
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