1123443214321____________________________:2590126()()()()()()71234812349310...12040.1.(1)00(2)(3)0aba+b=02.|a|003.10(2)1abab=14.(1)aa00a(a0)a(2)aa00a(a0)a5.x3=axaa3a33a-a1.2.00.53.1.002.3.004.0005.(1)anna(2)00(3)1.02.a10n(1a10n)6...1aba,b23xy4PPxyxya,bPP(ab)56000000007x0=0x70=0y=00y=00=0=0(=)8P(ab)x|b|y|a|9xy10yxxy11xyP(ab)Pa=bP(ab)Pa=b12()13...8121cbyax(cba00ba)3145192346...)(3211012131()()bacbcabacbcabacbcabacbca2()0,cbabcac(cbca)0,cbabcac(cbca)0,cbabcac(cbca)0,cbabcac(cbca)3()0,cbabcac(cbca)0,cbabcac(cbca)0,cbabcac(cbca)0,cbabcac(cbca)4151()611()7...12345()12...