1、知识精讲 Concentration 1Conception 1.2.3.01D Exercise(1)A2C2(1)C2B Exercise(1)102C 3C 3(1)+0.222BExercise(1)B2C 2Conception 1.2.03.4.aa 4B ExerciseB5A2B2C0(1)3ABCD5,3,1,4A5(2)C4 C4A2(3)3AB4 C2 2BA4 C2 2CA2 B2 0 Exercise(1)C(2)6(1)47 212 Exercise B 3Conception 1.2.3.a04.0712205;2.374;()ab()ab+Exercise 5
2、8 1 0)(0)4.a0a 0a=0a|aa=|0|a=|aa=11(1)122 122 0.8 0.8 0 0 1(3)9 139(2)93,2,1,0Exercise(1)22 6 8 4(2)33312(1)D(2)BExercise B 13(1)0m(2)00,0mnmnn=+=或(3)CExercise(1)4251(2)(2)C0 0 0 14x Exercise x 4 53 152|5|(1)0ab+=,5a=,1b=,|5 1|6ABab=.Exercise30a=20b=a=3b=2a+b=5 a+b551.2.16(1)(2)(3)(4)Exercise(1)(2)(3)(4)(5)
