1、第 1 页 共 12 页 整式乘除计算训练整式乘除计算训练 (1) 202020 1 ( 1)()(3.14) 3 ;(2) 2 (1)(1)(2)aaa; (3) 22 (2010)( 5)x yxyxy ;(4) 32332 (2) ( 2)( 2)(2)x yxyx yx (5) 201902 1 ( 1)(3.14)( ) 2 ;(6) 32243 ( 2) (3)(6)x yxyx y;(7) 2 (23)(21)(21)xxx (8) 3 23273 3 ( 3)( 4 )(5)aaaaa (9) 2 (2)(25)(1)(24)(2)xxxxx (10) 222744 131 (
2、)()3() 228 xy xy xyx yxyx y (11) 2222 111 () () () 242 aaa (12) 3 24 3 () ()xx(13) 544333 693 () 5105 x yx yx y(14) 22 2(2)3 ()mnmnn mnm n 第 2 页 共 12 页 (15) 2 (21)(21)(21)aaa(16) 2202 1 10()(3.14)| 30 | 30 (17) 201 1 ( 1)(2)() 2 (18)(21)(23)(5)xxxx (19) 4738263 3111 ()() 4242 a ba ba bab(20)(23 )(23
3、 )cab cab (21) 222222 8079787721(22) 202 3 ( 3)(3.14)( 1 ) (23) 22 ( 2)(32)abaabb(24)(25)(25)(21)(23)xxxx (25) 2 (1)(3)(2)xxx(26)(2)(1)(1)aaaa (27) 2 (1)(2)(1)xxx(28) 20 13 1()( 1)() 24 第 3 页 共 12 页 (29)(9)(9)xyxy(30) 44102 344 3 ( 2)2( 2)25()xxxxx (31)(23 )(23 )abc abc(32) 2222 (1) (1) (1)xxx (33)
4、2022 1 ( 10)2 103()10 10 (34) 201220 1 ( 1)()(3.14) 2 (35) 32332 (2) ( 2)( 2)(2)x yxyx yx (36) 22222 (663)( 3)m nm nmm (37) 22 (2)(2)()2(2)xyxyxyxxy(38) 201205 1 ( 1)(3.14)() 3 (39) 933 223 ( 2)aaaa a a (40) 422322 (15123)( 3)x yx yxx (41) 2 11 ()()() 24 abab ba(42) 223 ( 7)(23)x yx yxy 第 4 页 共 12 页
5、 (43) 3020.132013 113 ()(2016)( 1 )( ) 234 x (44) 22 (2)(2)xxxx (45) 2 (2 )(2 )(2 )2 (2)2xyxy xyxxyx(46) 2222 (23)(63)x yxyx yxy (47) 43222 36 ()() 8 25 ax yax ya y (48) 22 (1)(1)abab (49) 3 2015201420152016(50)(435 )(354 )yxzxzy (51) 201112 123 ()( 2016)( )() 432 ;(52) 2 (32)( 3)(3)xxx ; (53) 4322
6、(963)( 3)x yx yxyxy ;(54) 322 ( 2)xy z (55) 523 ()aaa(56)(23 )(32 )(3 )(3 )xyyxxy xy 第 5 页 共 12 页 (57) 3223222 ( 2484)( 2)x yx yx yxy (58) 023 11 ( 2003)2()2 23 (59)(5)(5)xyxy(60) 23222 1 ( 2) 2 a bca b c (61) 2342 (251520)( 5)mm nmm (62) 2 (23 )(23 )(3 )ababab (63) 3223222 ( 2484)( 2)x yx yx yxy (6
7、4) 82 33 2 () () ppp (65) 22 11 (2) (2) 22 xyxy(66) 22 (23 )(32 )abccba (67) 310010020145 1 ()20.5( 1)( 1) 2 (68)(2)(2)xyz xyz 第 6 页 共 12 页 (69) 201520 1 ( 1)()(3.14) 2 (70) 332 53 ()( 8) 310 ab ca bcabc (71) 2 (2)(1)2x xxx(72)()()abc abc (73) 201220 1 ( 1)()(3.14) 2 ;(74) 2 (1)(1)(2)xxx; (75) 2433
8、() ()() ()ababbaab;(76) 32332 (2) ( 2)( 2)(2)x yxyx yx ; (77)(235)(235)xyxy;(78) 22 (23 ) (23 )xyxy (79) 2 (2 )()a abab;(80) 2223 ()() ( 3)a babab ; (81) 2 (21)(431)aaa;(82) 1202 11 ()( 2)5( ) 42 第 7 页 共 12 页 (83) 23324 1 () ()() 2 aba ;(84) 022 1 20132()2013 2 ; (85) 2222 1 2()5 () 2 aabba a bab;(8
9、6) 2 (21)(21)(21)aaa (87) 2323423 1 ( 2)(3) () 2 m nm nmn;(88) 34 (2) (2)(2 ) (2)xyxyyxxy; (89) 2 (2)(23 )(2) 4xyxyxyy;(90) 302 1 ( 1)2(3.14)()| 4| 2 (91) 4 21114 1()( 60) 31215 (92) 22 131 3( 5)()240( 4) 354 (93) 22 2(29 )( 34 )abab (94) 22 ()4()6()7()xyxyxyxy 第 8 页 共 12 页 (95) 11 23() nnnn xxxx (9
10、6) 22 7(43)2xxxx (97) 222 ( 2) (6)( 3)a babb (98)(21)(32)6 (2)xxx x (99) 4322 11 (2)() 22 aaaa (100) 2 (3)(32 )(32 )xyxyxy (101) 201 3| 8| (2009)1 ( 2) (102) 2 20122011 2013 (103) 2 3335 () ( 9)( 3)aba ba b (104) 2 (21)(21)( 12 )aaa (105) 2 (23)xy(106) 22 (2)(4)(2)ababab (107) 2322 (2)xx yx yxy(108)
11、 1111 (1)(1)(1)(1) 22416 第 9 页 共 12 页 (109) 2 (23 )(3 )(3)xyyxxy(110) 32435432 (246)( 2)a ba ba ba b (111) 322322 11 3()(643) 22 aa babaa bab(112) 2 (2)(2)2xyxyy (113) 22 (5410836) 18x yxyxyxy(114) 2 200520062004 (115) 201 3| 8| (2009)1 ( 2) (116) 2 200820072009 (117) 3333 111111 2()3() 324236 xyxy(
12、118) 2 3335 () ( 9)( 3)aba ba b (119)(23)(23)xyxy(120) 202 3 ( 3)(3.14)( 1 ) (121) 22 ( 2)(32)abaabb(122)(25)(25)(21)(23)xxxx 第 10 页 共 12 页 (123) 22 (3)(3) 33 xx (124) 2 (1)(3)(2)xxx (125)(3)(3)abab(126) 22 (963)(x yxyxy3)xy (127) 2223 14 () ( 12)() 33 xyx yx y (128) 2 (2)(1)(1)xxx (129) 210 11 ()10
13、() 22 (130) 47382632 3111 ()() 4242 a ba ba bab (131)请认真观察图形,解答下列问题: (1)根据图中条件,将你能得到的等量关系用等式表示出来: 222 ()2ababab (2)如果图中的a,()b ab,满足: 22 47ab,17ab 求ab的值; (3)已知常数m满足: 22 (22016)(20182 )10mm求:(20182 )(20162 )(44034)mmm的值 第 11 页 共 12 页 (132)已知2ab,48ab , (1)求 22 ab的值; (2)求(1)(1)ab的值 (3)求代数式 2 2 ()()()()c
14、 ababc abcabc的值 (133) (1)计算: 22 ()() (1)(1)(1)(1)ababa abb (2)关于x的多项式 22 (3)(3)xmxxnx的展开式中不含 2 x项,而三次项为 3 5x 求 22 mn和mn的值 化简求值: 223 (1)(1)(2)()mnmnm nmnmm (134)已知 2222 2()3 (2)xxmxnxxmxx的结果中不含 2 x项和 3 x项 (1)求m,n的值 (2)求 22 ()()mn mmnn的值 第 12 页 共 12 页 (135) (1)已知 2 35 m ,310 n ,求9m n ; 2 9 m n (2)已知将 32 ()(34)xmxn xx展开的结果不含 3 x和 2 x项 求m、n的值; 当m、n取第小题的值时,求 22 ()()mn mmnn的值 (136)已知2 a x ,4 b x ,5 c x ,求 2ab c x 的值 若n满足 22 (2010)(2011)3nn,求(2010)(2011)nn的值 已知:多项式 22 (31)338xkxyymxy中不含xy项求: 132 842 km 的值