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2770=2050+720
7 D/ O- J6 g& u9 V4917=4394+523
& }: L% }" k; J% g7329=6545+7849 l; c; p% C! L0 y1 R& P! ~4 f; y
1048=524*2
* A* ^+ U8 N' @8 o( X4 t8 y4 S+ ^4 N* p9 u( f9 J
1048-353=695--1783) g% r |' q) h# s$ U% ]! X9 {' v
0 O% |3 F v2 m }+ w! t
1013-233=780---15128 F! C% t, h! r' O" M
9 R. I0 z* o0 s' r" f1013-113=900-1664
2 |0 f- E4 X- c4 w
: K, X5 K+ A6 S353-233=120
0 K7 x3 ~ B% Z3 a( ]- f233-113=120
* s9 {( H5 l; _; K7 N2 m5 T$ P$ N113-353=120* h0 s e: X! x+ q" R! r& \
1783-1512-1664-2770
1 A K8 y1 w) N: m2770-1664=1106, _! m6 W7 C' B. \5 [% e+ w
* \/ a' \7 l4 n4 |
4379-3272=1107( N- N1 U* X# p% h6 Z k' f9 V: g" G
- y& t8 L' _* ?( H% x& R B
1514-1512-2770以1512为中心对称
/ R9 i& F; @) i" V3 G S9 c1307-4312-2770..4312..................
0 l& g# d' `; s2284-2923-2770..2923................. |
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