1、 12-_-3 1. 2. 3. 1-23(1) _(2) 1-(3) - (4) - _(5) 1?2?(6) .7 (8) .2 3 -.-. 1-(-)-0abdaobocoaobococo=docd-cd-2 1(1)D55(2)3(3)x6 x=52x=5 (4)x3(1)D55543210(2)3x6-36-36D5D4-36453x645(3) x=5-5-D55x=5x=5x=D52x=52x-55D52x=52x=D555x=2x=D2(4) x3-3D33-3 D3x32(1)+17+20 (2)D13+(D21) (3)D15D19 (4)D31D(D16) (5)D11
2、12(6)(D27)(D13) (7)D136416 (8)(D54)(D24) (9)(D2) (10)D(2) 32(11)D(D1) (12)D23 (13)D(23) (14)(D2)+3 100223211111(15)4(2)2(D2)(D2)+(D2)+(D2)+1 2233(1)_ _(0) _ _ _0 _4_4Daaa_a_(2)=a0b0c0d0 a3=Daa_3a2?a2a_?a=Dacda?a?aa?babb_0 c_0c?d_0 (?b)2_0 ba3b43_0c_0 a3?b3c3a2?_0 cd_01111_ba0b0ab aba0b0a2 p81D83 21517Dp80D83 1 2- - 3 1. 2. 3. (1) (2) (3) - (4) - (5) 1?2?(6) (7) . -
