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1、 1 01 1 A B C D 2 M x x 1 2 A 2 M 2 M B 2 M 2 M C 2 M 2 M D 2 M 2 M 3 A x x 1 B x x2 1 C 1 D y y 1 2 0 4 1 2 R 2 Q 3 N 3 Q A 1 B 2 C 3 D 4 5 x x2 2x 1 0 A 1 1 B 1 C x 1 D x2 2x 1 0 6 A 0 N B R C 1 Q D 0 Z 7 x N x 30 1 A a A a 2 B a 2 C a 2 D a 2 11 A x x2 ax b 0 A 2 3 a b A 1 B 2 C 3 D 5 12 A 1 2 3
2、B 4 5 M x x a b a A b B M A 3 B 4 C 5 D 6 13 a N a N a 14 A 4 a B 2 ab A B a b 15 A 1 0 1 B y y x x A B 16 a b R a 0 b 0 a a b b 2 02 1 A x 0 x 2 x N A 2 B 3 C 6 D 8 2 M 1 N 1 2 3 M N A MQ B Q P C P Q D P Q 6 M 1 2 3 A 6 B 7 C 8 D 9 7 M 1 0 1 N x x2 x 0 M N Venn 8 M x Z 1 x m M 4 m A 1 B 2 C 3 D 4 9
3、 2018 M x x2 3x 2 0 N 0 1 2 M N A M N B N M C M N D N M 10 2019 A x x2 1 0 1 A 1 A A 1 1 A A 1 B 2 C 3 D 4 11 P x x2 1 Q x ax 1 Q P a A 1 B 1 C 1 1 D 0 1 1 12 M x x k 2 1 4 k Z N x x k 4 1 2 k Z A M N B M N C M N D 13 A 1 3 m B 3 4 B A m 14 A x x 3 0 B x 2x 5 0 15 A 0 1 B 1 0 a 3 A B a 16 x x2 x a 0
4、 a 3 03 1 M 4 5 6 8 N 3 5 7 8 M N A 3 4 5 6 7 8 B 5 8 C 3 5 7 8 D 4 5 6 8 2 M 1 0 1 N 0 1 2 M N A 1 0 1 B 1 0 1 2 C 1 0 2 D 0 1 3 A 1 3 5 7 B x 2 x 5 A B A 1 3 B 3 5 C 5 7 D 1 7 4 A x x 1 B x 2 x 2 B x x 1 C x 2 x 1 D x 1 x 2 5 A 0 1 2 3 B x x 3a a A A B A 1 2 B 0 1 C 0 3 D 3 6 M m Z 3 m 2 N n Z 1 n
5、 3 M N A 0 1 B 1 0 1 C 0 1 2 D 1 0 1 2 7 A x 1 x 2 B x 0 x 4 A B A x 0 x 2 B x 1 x 2 C x 0 x 4 D x 1 x 4 8 A a b B a 1 5 A B 2 A B A 1 2 B 1 5 C 2 5 D 1 2 5 9 A x 1 x 2 B x 1 x 3 A B A x 1 x 3 B x 1 x 1 C x 1 x 2 D x 2 x 3 10 A x 2 x 1 B x 0 x 2 A B A x 1 x 1 B x 2 x 1 C x 2 x 2 D x 0 x 1 11 A x 2 x
6、 4 B x x 3 x 5 A B A x 2 x 5 B x x 4 x 5 C x 2 x 3 D x x 2 x 5 12 M x x2 2x 0 x R N x x2 2x 0 x R M N A 0 B 0 2 C 2 0 D 2 0 2 13 A 1 2 B 1 2 3 C 2 3 4 A B C 14 A 2 1 0 1 B y y x x x A A B 15 M 0 1 2 N x x 2a 1 a N M N 16 30 15 10 8 4 05 1 U 1 2 3 4 5 A 1 2 UA A 1 2 B 3 4 5 C 1 2 3 4 5 D 2 U 1 2 3 4
7、5 M 1 2 4 UM A 1 2 4 B 3 4 5 C 2 5 D 3 5 3 U 1 2 3 4 A 1 2 B 2 3 U A B A 1 3 4 B 3 4 C 3 D 4 4 U 1 2 3 4 5 6 7 8 A 2 3 5 6 B 1 3 4 6 7 A UB A 2 5 B 3 6 C 2 5 6 D 2 3 5 6 8 5 U 1 2 3 4 A 1 2 B 2 3 U A B A 1 3 4 B 3 4 C 3 D 4 6 U R A x 1 2x 1 9 UA A x x4 B x x 0 x 4 C x x 0 x 4 D x x 0 x 4 7 U a b c d
8、 e M a c d N b d e UM UN A B d C a c D b e 8 R M x 2 x 2 N x x 1 RM N A x x 2 B x 2 x 1 C x x 1 D x 2 x 1 9 U R A x 1 2x 1 9 UA A x x4 B x x 0 x 4 C x x 0 x 4 D x x 0 x 4 10 U 0 1 2 3 4 5 6 7 8 9 A 0 1 3 5 8 B 2 4 5 6 8 UA UB A 5 8 B 7 9 C 0 1 3 D 2 4 6 11 U Z A 0 1 B 1 0 1 2 A 1 2 B 1 0 C 0 1 D 1 2
9、 12 U R M x x 2 x 2 N x 1 x 3 A x 2 x 1 B x 2 x 3 C x x 2 x 3 D x 2 x 2 13 U R A x x 1 UA 14 A 3 4 m B 3 4 AB 5 m 15 A x 2 x 3 B x x2 A x 1 B x3 D x2 022 x2 2 021 A B C D 7 a b A ab 0 B ab 0 C a2 b2 0 D a2 b2 0 8 ABCD AC BD ABCD AC BD A B C D 9 y 2 a x a 2 a 1 A 1 a 2 B 3 2 a 2 C a 1 D a 0 10 2x2 5x
10、 3 0 A x 0 B x2 C x 1 3 5 D x 1 2 x 3 11 ABC sin 2A 3 2 A 30 A B C D 12 f x x bcos x b b 0 f x A B C D 13 x 2 x2 2x c 0 c 14 a2 b 1 2 0 a b 1 0 15 p 4 x 6 q x a 1 p q a 16 p 0 x 3 q 0 x0 p q a 21 17 1 f x 2 2 A 1 0 B 0 2 C 1 2 D 1 2 2 2 y x 1 1 2 2 A 1 2 B 1 C 1 2 D 3 3 f x 1 x 1 A B C D 4 f x x2 x
11、2 1 A 4 1 B 4 0 C 1 0 D 5 f x 2x 6 x 1 2 x 7 x 1 1 f x A 10 6 B 10 8 C 8 6 D 6 y 1 x 1 2 3 A 2 B 1 2 C 1 3 D 1 2 7 y 2 x 2 4 A 1 1 2 B 1 2 1 C 1 2 1 4 D 1 4 1 2 8 y x 1 x 1 2 A 0 B 3 2 C 2 D 3 9 y x 1 x 1 A 1 B 2 C 2 D 0 10 y k x 2 4 5 k A 5 B 8 C 20 D 11 f x x2 4x a x 0 1 f x 2 f x A 1 B 0 C 1 D 2
12、12 f x x2 2x 3 0 t 3 2 t A 1 B 0 2 C 2 D 1 2 22 13 y 2x2 1 x N 14 y 1 x x 3 1 15 f x x2 4x x 1 5 f x 16 f x x2 6x 8 x 1 a f x f a a 23 18 1 1 2 a b a b A 1 B 1 C 0 D 2 2 3 0 A y 1 x2 B y 1 x C y x 2 D y x3 4 f x x 1 x 1 A B C D 5 f x R x 0 f x 2x2 x f 1 A 3 B 1 C 1 D 3 6 f x ax2 bx a 1 2a a b A 1 3
13、B 1 3 C 1 2 D 1 2 7 f x R f 3 2 f 3 f 0 A 3 B 3 C 2 D 7 8 y x 1 x a a A 2 B 1 C 1 D 2 9 A y 3x2 B y 3x2 x C y f x f x 2 D y x2 x 1 10 f x 7 3 5 f x 3 7 A 5 B 5 C 5 D 5 11 f x 0 f x 0 y x 3 1 y x 2 1 x A 1 B 2 C 3 D 4 2 y x 1 x a a A 2 B 1 C 1 D 2 3 f x R 0 A f 3 f 0 f 1 B f 3 f 1 f 0 C f 1 f 0 f 3 D
14、 f 1 f 3 f 0 4 f x k 2 x2 k 1 x 3 f x A 0 B 0 C 1 0 D 0 1 5 R f x g x f x g x x2 3x 1 f x A x2 B 2x2 C 2x2 2 D x2 1 6 y f x x R A a f a B a f a C a f a D a f 1 a 7 f x 1 x x A y B y x C D y x 8 f x 0 f 2 f 1 f 1 2 f 3 A f 2 B f 1 C f 1 2 D f 3 9 f x R x 0 f x 2x 2x b b f 1 A 3 B 1 C 1 D 3 10 f x x5
15、ax3 bx 8 f 2 10 f 2 A 26 B 18 C 10 D 10 11 R f x x1 x2 0 x1 x2 f x 2 f x1 x2 x1 0 A f 3 f 2 f 1 B f 1 f 2 f 3 C f 2 f 1 f 3 D f 3 f 1 f 2 12 f x 0 a f 2 b f 2 c f 3 2 A b a c B b c a C a c b D c a1 A 1 B 2 C 3 D 4 2 y k2 k 5 x2 k A k 3 B k 2 C k 3 k 2 D k 3 k 2 3 f x 2 2 2 f 4 A 16 B 1 16 C 1 2 D 2
16、4 C1 C2 y xm y xn A n m 0 B m nm 0 D m n 0 5 1 1 0 0 n 0 y xn y xn n 0 y xn n 0 x A B C D 6 a 1 2 2 3 b 1 5 2 3 c 1 2 1 3 a b c A a b c B c a b C b c a D b a c 7 2 1 1 2 1 3 1 2 1 2 3 f x x 0 A 1 B 2 C 3 D 4 8 a 0 60 6 b 0 61 5 c 1 50 6 a b c A a b c B a c b C b a c D b c0 0 A 3 0 B x 4 C 4 0 D x 3 9 y 2sin2x 12 A x k 2 6 k Z B x k 2 6 k Z C x k 2 12 k Z D x k 2 12 k Z 10 f x 2sin x 0 2 0 x 3 f 12 0 A 2 B 4 C 6 D 8 13 y 1 2sin 2x 6 y 14 y sin2x 3 15 y 5 2sin 4x 2 3 x 16 f x sin x 0 83 54 1 I A t
