整式的乘法和因式分解计算题100道(总9页).docx
9页精选优质文档-----倾情为你奉上一、单项式乘以单项式(二)同底数幂的乘法(1) (2) (3)4y(-2xy3);(4) (5) (6)(7) (8)(9) 10)(11) (12)(13) (14)(15) (16)(17) (18)(19) (20)(21) (22)(23) (24)单项式乘多项式(1) (2xy2-3xy)2xy; (2) -x(2x+3x2-2); (3) -2ab(ab-3ab2-1); (4) (an+1-)ab. (5) -10mn(2m2n-3mn2). (6) (-4ax)2(5a2-3ax2).(7)(3x2y-2xy2)(-3x3y2)2. (8)7a(2ab2-3b). (9)x(x2-1)+2x2(x+1)-3x(2x-5)10.2ab(5ab+3a2b) 11..12.计算:2x(x2﹣x+3) 13.(﹣4a3+12a2b﹣7a3b3)(﹣4a2)14.计算:xy2(3x2y﹣xy2+y) 15.(﹣2ab)(3a2﹣2ab﹣4b2)16. 17.18. 19.20. 21.22. 23.(三)同底数幂的除法(1)(-a)8(-a5); (2)(x-y)7(y-x)6; (3)(-m4)3(-m)7; (4)x7(x5x3).(1) (-a2b4)(-ab2)(-10ab); (2) -32a4b5c(-2ab)3(-ac);(3) (n3-7mn2+n5)n2; (4) (12x4y6-8x2y4-16x3y5)4x2y3.多项式与多项式相乘1、(x+2)(x+6) 2、(x+5)(x+6) 3、(x+5)(x-7) 4、(x+2)(x-3)5、(-x-2)(x-6) 6、(-x-5y)(x-7y) 7、(x-3y)(x+7y) 8、(2x-y)(3x+2y)9、(3x-1)(2x+1) 10、(2x-3)(3x-4) 11、(3x+2y)(3x-4y) 12、(-8x+5) (5x- 4)13、(-4x-y)(-5x+2y) 14、(-2a-3b)(4a-2b) 15、(2x-3y)(4x2+6xy+9y2)16、(a2+2)(a4-2a2+4) 17、(3x2+2x+1)(2x2+3x-1)18、(y-1)(y-2)(y-3) 19、(a-4)(a+3) -(2 a+1)(a-3)20、(x+2)(x-3)-x(x-2) 21.(x-3)(x2一6x+1)-x(x2一x-3) 22. (a-2b)2+(a-b)(a+b)-2(a-3b)(a-b) (23)(2x+3y)(3x-2y) (24) (3x-1)(4x+5)(25)(x+3)(x+4)-(x-1)(x-2) (26)(3x+2y)(2x+3y)-(x-3y)(3x+4y)(27)(x+2)(x+3)-(x+6)(x-1) (28)(m+1)(2m-1) (29) (2a-3b)(3a+2b)(30) (2x-3y)(4x2+6xy+9y2) (31) (-ab)(ab2-2ab+b+1)(32) 3ab(a2b-ab2-ab)-ab2(2a2-3ab+2a) (33) (2x-y)(x+y)(34) a(a-3)+(2-a)(2+a) 因式分解(1) (2) (3) (4)(5)3x3+6x4 (6)4a3b2-10ab3c (7) -3ma3+6ma2-12ma; (8) 6p(p+q)-4q(p+q)(9)x4+x3+x (10)x(x-y)+y(y-x) (11) 6x(a-b)+4y(b-a) (12) (a2-ab)+c(a-b)(13)4q(1-p)3+2(p-1)2 (14) (15) (16) (17) (18) 4x2-y2; (19) -16+a2b2100x2-9y2 (20) (x+2y)2-(x-y)2 (21) 16-b4 (22) a3-9a(23)3m(2x-y)2-3mn2; (24) (a-b)b2-4(a-b) (25) (26) (27) (28) (29)3p2﹣6pq; (29) 2x2+8x+8 (30)2am2﹣8a; (31) 4x3+4x2y+xy2 (32) (33) (34) (35) (36) (37) (38)-24x3-12x2+28x (39) 6(m-n)3-12(n-m)2 (40)3(a-b)2+6(b-a) (41)18(a+b)3-12b(b-a)2 (42) (2a+b)(2a-3b)-3a(2a+b) (44)(x2+6x)2-(2x-4)2 (44)9(m+n)2-(m-n)2 (45) (2x+3y)2-1 (46)9(a-b)2-16(a+b)2 (47)(x+y)2-16(x-y)2 (48)-16x4+81y4 (49)3ax2-3ay2 2x3-8x (50) 7x2-63 (51) (a2+b2)2-4a2b2(52)(m+n)2-6(m+n)+9 (53) (a-b)2-2(a-b)+1 (54) 4xy2-4x2y-y3(55)-x2-4y2+4xy (56) (57) (58)(a2+4)2-16a2 (59)-4x3+16x2-26x (60) a2(x-2a)2-a(2a-x)3(61)x3yz+14x2y2z-21xy2z2 (62)mn(m-n)-m(n-m) (63) -(2a-b)2+4(a -b)2(64)4xy–(x2-4y2) (65) -3ma3+6ma2-12ma (66) a2(x-y)+b2(y-x)(67) (68) (69) –2x2n-4xn(70) (71) (72) (73)ax2y2+2axy+2a (74) (x2-6x)2+18(x2-6x)+81 (75) (76)9x2-y2-4y-4 (77) (78) (79) (80) (81) (82) (83) 专心---专注---专业。





