1、整式的乘法和因式分解计算题一、单项式乘以单项式整式的乘法和因式分解计算题整式的乘法和因式分解计算题整式的乘法和因式分解计算题(二)同底数幂的乘法(1) (2) (3)4 y(-2xy3);xy243xyz16532(4) (5) (6 ))()(6310 2323)4)(n218(7) (8)).)(542.(323yxxy xyzxy)(1)(222(9) 10)2126nn )(3)(322aba(11) (12))83(422yzx )1)(732c(13) (14)15.0.322nmn 531(2yzxyz(15) (16)).().()352yxax 322)().05x(17)
2、(18)4712( 23y 23223 )4(6()( ababba(19) (20))8432zx )1)(7323c(21) (22))2.1(5.(15yxa 322(5.0xyxy(23) (24)473)(32yx 23223 )4()6)( ababba单项式乘多项式(1) (2xy23xy)2xy; (2) x(2x3x 22); (3) 2ab(ab3ab 21); (4) ( an1 )ab. (5) -10mn(2m2n-3mn2). (6) (-4ax)2(5a2-3ax2).34 b2(7)(3x2y-2xy2)(-3x3y2)2. (8)7a(2ab2-3b). (9
3、)x(x 2-1)+2x2(x+1)-3x(2x-5)102ab(5ab+3a 2b) 11. 整式的乘法和因式分解计算题12计算:2x(x 2x+3) 13 (4a 3+12a2b7a3b3) (4a 2)14计算:xy 2(3x 2yxy2+y) 15 (2ab) (3a 22ab4b2)16 172(3)1)x 321(48)()xx18. 192()3()abab 232()(5)20. 212284mm7(1)(4)()1xxx22 23223()()aba 23263()()yy(三)同底数幂的除法(1)(a) 8(a 5); (2)(xy) 7(yx) 6; (3)(m 4)3(
4、m) 7; (4)x7(x5x3)(1) ( a2b4)( ab2)(10ab); (2) 32a 4b5c(2ab) 3( ac);25 14 34(3) ( n37mn 2 n5) n2; (4) (12x 4y68x 2y416x 3y5)4x2y3.23 23 23多项式与多项式相乘1、 (x2) (x6) 2、 (x5) (x6) 3、 (x5) (x7) 4、(x+2)(x3)5、 (x2) (x6) 6、 (x5y) (x7y) 7、(x3y)(x+7y) 8、 (2xy) (3x2y)9、(3x1)(2x+1) 10、 (2x3) (3x4) 11、 (3x+2y) (3x4y
5、) 12、 (-8x+5) (5x- 4)13、(4 x y)(5 x2 y) 14、 (-2a3b) (4a2b) 15、(2 x3 y)(4x26 xy9 y2)16、( a22)( a42 a24) 17、(3 x22 x1)(2 x23 x1)18、(y1)( y2)(y3) 19、 (a4)(a+3) (2 a+1) (a 3)整式的乘法和因式分解计算题20、 (x+2) (x3)x(x2) 21 (x3) (x 2 一 6x+1)x (x 2 一 x3) 22(a2b) 2(a b)(a b)2(a3b)(ab) (23)(2x3y)(3x2y ) (24) (3x1)(4x 5)
6、(25)(x3)(x4)(x1)(x 2) (26)(3x2y)(2x3y)(x 3y )(3x4y )(27)(x2)(x3)(x6)(x1) (28)(m1)(2m1) (29) (2a3b)(3a2b)(30) (2x3y)(4x 26xy9y 2) (31) ( ab)( ab22ab b1)12 23 43(32) 3ab(a2bab 2ab)ab 2(2a23ab2a) (33) (2xy)(xy)12(34) a(a3) (2a)(2 a) 整式的乘法和因式分解计算题因式分解(1) (2) (3) (4)32510a21abc6()4()pqp(3)2()maa(5)3x 36x
7、 4 (6)4a 3b210ab 3c (7) 3ma 36ma 212ma; (8) 6p(pq)4q(pq)(9)x4x 3x (10)x(x y)y(yx) (11) 6x(ab)4y(b a) (12) (a2ab)c(ab)(13)4q(1p) 32(p1) 2 (14) (15) 2215ab294ab(16) (17) (18) 4x2y 2; (19) 16a 2b2100x29y 2 24xy416(20)(x 2y)2 (xy) 2 (21) 16b 4 (22) a39a(23)3m(2xy) 23mn 2; (24) (ab)b 24(a b) (25) 216x(26
8、) (27) (28) 2xyy223axa2233y(29)3p26pq; (29) 2x2+8x+8 (30)2am28a; (31) 4x3+4x2y+xy2 (32) (33) 22mn416x(34) (35) (36) 322xyx2x22()xy(37) (38 ) 24x 312x 228x (39) 6(mn) 312(nm) 2 220整式的乘法和因式分解计算题(40)3(a b) 26(ba) (41)18(ab) 312b(ba) 2 (42) (2ab)(2a3b)3a(2ab) (44)(x 26x) 2(2x4) 2 (44) 9(mn) 2(mn) 2 (45)
9、 (2x3y) 21 (46)9(a b) 216(ab) 2 (47 ) (xy) 216(xy) 2 (48) 16x 481y 4 (49 ) 3ax23ay 2 2x38x (50 ) 7x263 (51) (a2b 2)24a 2b2(52)(mn) 26(mn)9 (53) (ab) 22(ab)1 (54) 4xy24x 2yy 3(55)x 24y 24xy (56) (57) 25)(10)(2yxyx 42481716ba(58)(a 24) 216a 2 (59)-4x 3+16x2-26x (60) a2(x-2a)2- a(2a-x)34(61)x 3yz+14x2y
10、2z21xy 2z2 (62)mn(mn)m(nm) (63) - (2a-b)2+4(a - b)2411(64)4 xy(x2-4y2) (65) -3ma3+6ma2-12ma (66) a2(x-y)+b2(y-x)(67) (68) (69) 2x2n-4xn23)(10)(5xyx 32)(1)(18bab整式的乘法和因式分解计算题(70) (71) (72) )(6)(4)(2axcabxa 416nm22)(16)(9nm(73)ax2y2+2axy+2a (74) (x2-6x)2+18(x2-6x)+81 (75) 1 24)(3)2(1xx(76)9x2 y24 y4 (77) (78) 2241yx8124x(79) (80) (81) 2axabxb 1235x )()(23mnnm(82) (83) 3)2()2(aa2224)(baac