初中数学八年级上册整式乘除计算题专练.doc

初中 数学 数学高考答题卡模板高考数学答题卡模板三年级数学混合运算测试卷数学作业设计案例新人教版八年级上数学教学计划 八 年级 六年级体育公开课教案九年级家长会课件PPT下载六年级家长会PPT课件一年级上册汉语拼音练习题六年级上册道德与法治课件 上册整式乘除计算题专练.doc 初中数学八年级上册整式乘除计算题专练 一、填空题 256710×10=________; ?x?x=________________; x 46232a?a=____________; t?(t)=________________; 623x2+x2=_______________ 8x,2(x)=_______________; 234x2?x2=_______________ (x?x?x)=____________; 224(a2)4=_______________ [(y)]=___________________; (x6)5=_______________ a8+(a2)4=_________________; (x4)4=_______________ [(n2)3?(n4)2]2=____________; 3x?(x2)3=_______________ ―(―ab)=_______________; (x?x2)3=_______________ (2a+3)3=_____________; (x10)10=_______________ (3x,4)2=____________; (,3a4b2)3=_______________ (3a,2b)2=____________; ,9a12b6=_______________ (4x+5y)2=___________; ,27a7b5=_______________ (ab,4c)2=____________; 9a12b6=_______________ (3a,1)2=____________; 311x?x?x=___________; (2x+5y)2=____________; 7,y?y?y8=_______________; (ab,12)2=__________; 11t?t=_____________; (,a2+b2)=___________; 25(,s)?(,s)=______________; 2a,4b=______________ 2323(xy)?(xy)=__________; (2x)=___________________; 2623(a+b)?(a+b)=____________; x?(xy)=_______________; 623?3a?a=____________; x(xy)=_________________; (1)x6y4+(x3y2)2=____________; 99×101 2=( + )×( , (,6a2)?3a=________________; ) =( ), 2(,7x5yz2)?(,4xz4)=___________; ( )=_________; (,5a3y)?(,3ayc)=__________; 2003×1997 (,a)2?5a3b=____________; =( + )×( , ) 22 (2a)2?(,3a2)=____________; =( ),( ) (,3x)(2xy,6)=____________; =_________; x(x2,x)+2x2(x,1)=_______; (a,bc)(a+bc)=_____________; (,2a3)?(2a2b,4ab2)=__________; 198×202=______________; (3x)2(x3―x2―2)=______; (2x,3t)(2x+3t)=___________; (x,1)(x+1),x2=_____________; (3x,7)(3x+7)=___________; (2x,y)(2x+y)=____________; (,2m+n)(n+2m)=____________; (3x+5y)(3x,2y)=_____________; (,5p,3)(5p,3)=___________; (x+11)(x,20)=_____________; (x2,y)(x2+y)=______________; (x,5)(2x+3)=_______________; (y+12)2=_____________; (a,1)(a+1)=________________; ax,ay=________________; (m,2)(m+2)=_____________; y2,3y=______________; (2n,3)(2n+3)=_____________; 5y2+10y=_______________; (m,30)(m+30)=____________; 36x2,12x+1=(________)2; (t,)(t+)=_____________; x2+22x+121=(__________)2 (2x,9)(2x+9)=______________; x2,10x+25x=x(____________)2. (x,y)(x+y)=____________; ,27a12b6=_______________ (,x)2?x3=_______________ x3?x3=_______________ 二(计算题 532; ，，，，a(a2,1)= ,a,,a,a 3222x2+x2= ，，，，,x,,x 322322,x(x,3)= ，，，，，，，，,2xy,8x,,x,,y 1,,x2,x(x,1)=x， 32 ，，，，2c,abc,,2ac,,4,, (x+y)(x+y)= 23 ，，2x,2x (x+1)(x,1)= 3111,,,,22 ,xy,x,2xy，,,,,(x+2)(x,3)= 253,,,, ,1，，1,,0,3(x,1)(x+6)= ，，，，,,2，,,3.14,,2,,,,2,,,,，， (,a+b)(b,a)= 22 ，，，，a,10a，7 x+y)(x,y)= 22n3n，则 x,2，，2x 2x,4y= 20042005。 ，，，，,8，0.125 x2,x+1= 3a2,6ab+3ab2; (a,b)(a+b)= 2x2y,3b2 ,(b,a)(b+a) (,y)2?(,y)5= (,3ab)2?(,2ab2); x(x,1)= x(x,y)+x(y,x); (,x)(2,x)= (x+2)(x+3); (,x)2(x,3)= (x,2)(x+3); ,x3+3x2 (x+2)(x,3); ,a3?(,a)4 (x,2)(x,3); 2m2n,2n2m (3a,4b)(2a,5b) 3x2+5x3 (x+2y)(x,2y) m(m2,n2)= 22 ，，，，x，2yx,2y,x,2y(5x,4y)(2x,3y) 12222 (7)(),,,xyxyy(3x+4y)(3x,4y) 7 ()()mnmn,，(2a,3b)(3a+2b) 2 (23)mn,(2m+5m)(6n,3m) ()(),,,，abab(3x,y)(3x,y) (2x,3y)(2x+3y)= ()()abcabc，,,，(,m,n)(m,n)= 2 ()abc,,(a+b)(a,2b)= 66 ,,,6(6)2 (2)(2)(4)xxx,，，23 (),p 422 (410)(310)，,， (3)(3)(9)xxx,，,522 aaa,,,()32 mmm,,,,()()11232 ()(),,,xyxy3332，， (6),，， (64)(32)xx,，3342 (210)(410),，,， 2 (2)(44)xxx,,，844,,,xxx 4224 ，，，，a,a222 ,,，,()()abaab3262x,5x,10x 22322 xyxyxy,,,,()() 862 ，，，，,c,,c,,c (23)(32),，,,,xyzxyx10+x10 2222 ()(2)abab，,, (xy2)3 20062005 (8)(0.125),,,(x3)2 2 (2),，xy 236 ，，ab,ab22 ()(22)(22)ababab,，， 222 ，，x，2y,x，4y2 2(1)4(1)xxx,,， 2，，，， x，5x,2,x,101，，32 4(1)6()(2)xyxxyxxy,,,,,,,322，， ，，，，,x，y,x,y 1112223 ()xyz,， (3)(2),,xyxz234 43226223 (642)(2)aaaa,,,, aaaa,,, 17563223 (5)(),, (46)2xyxyxyxy，,,736 23553311 ()()()ababab，,,,,，2(0.5)2,,, 2335427，，，， ()()abba,,,()(),,,mm，，，， 2342 ,,2()ab()()(2)xyxyxy,,,, 62 ()(),,，abab ()()abba,,, 122 (23)(32)xyxy,， (4)(2),,2 11222222 (0.25)2,,(49)8(3)mnmn,，, 111123323 ()()abcabc,，，, (2)8()(),，,,,xyxy2323 2112mm4 ()xyz,，，， (),,,xxx，，23 3466342232 (),，，mmm(3)(),,,,ababab 2222 (67)(34)abba,， (32)(5)xyxyxy,,, 2 (32)(3)xyzxyz,，，, ()()abab,,， 2222 (34)9()mnm，,,(237)5(15)(31)xxxxx,,,,,， (234)()xyzxyz,,，,(,3x2y)2=9x4y2 ()()pqmpqm，,,，,(x3,2y)(x3+2y)=x9,4y2 2 (342)abc,，(4,2x)(4+2x)=16,4x2 22 (32)(23)abba,,，(a2+b2)(a2,b2)=a4,b4 22 (2)(24)xyxxyy，,，( 22 (23)(469)abaabb,，，(6x,y)(6x+y) 523 2(2)(2),,,,(2x+y)(,2x,y) 323 2(2),,(x,5)(x+5); (3y,10)(3y+10); (5x,2y) (,5b)(+5b); ,2+20xy.jm (xy3)(xy (a,2b)(a+2b),(a,2b)2; (x,5)(x+5); 2x2y,3y2; (3y,10)(3y+10); a(x+y),2(x+y); (,5b)(+5b); (x+y)2,3(y+x); (xy,3)(xy+3); x(x,y),a(y,x); (a,bc)(a+bc); (a+b),a(a+b); (a+2b)(2b,a); x(a,b),5(a,b); (3x,y)(y+3x); (x,y)2,(x,y); 24x2,(2x,9)(2x+9); 3(2x+y)+2(2x+y); (,7m+1)(,7m,1); 18x2y,24xy2; 3232(,x,5)(,x+5); ,3ab+12ba; 2(x2,2)(x2+2); n,3n (ab,3)(ab+3); (x,5)(x+5); (4y,3x)(3x+4y); (3y,10)(3y+10); (x+1)(x,1),x2; (,5b)(+5b); (3y,1)(3y+1),(2y+2)(2y,2); (xy3)(xy+3); (a,b)(a+b); 16m2+25,40m; (,3m2+1)(,3m2,1); 2x2y,3y2 (,2x,11y)(2x,11y); (2x,y)2,2(2x,y)+1; (4+2x)(2,x) (2m,3n)(2n,5m); (,a2+b2);