1整式的除法专题训练(一)填空1.4x4y2÷(-2xy)2=______.3.2(-a2)3÷a3=______.4.______÷5x2y=5xy2.5.ym+2n+6=ym+2·______.6.______÷(-5my2z)=-m2y3z4.7.(16a3-24a2)÷(-8a2)=______.8.(m+n)2(m-n)÷(m+n)2=______.10.(-8x4y+12x3y2-4x2y3)÷(4x2y)=______.11.(a+b)(a-b)(a4+a2b2+b4)÷(b6-a6)=______.12.(a3+2a2+a+1)÷(a2+a-1)的余式是______.13.(6x6-4x5+2x4-x-5)÷(2x4-x-3),则商式为______,余式为______.14.用A表示一个多项式,如果A(x2+xy+y2)=x3-y3,那么A=______.15.已知a≠b,且a(a+2)=b(b+2),则a+b的值是______.16.6x6-6x5+3x4+6x3+10x2-8x+1=(6x4-4x+2)×(______)+(______).17.多项式2x3+6x2+6x+5除以一个多项式A,商为x+1,余式5x+8,那么除式A为______.18.(2m3+bm2+2m+2)÷(m2+m-1)的余式是2m+4,则b=______.19.已知(3x3+nx+20)÷(x2+2x-3)所得余式为3x+2,则n=______.20.如果4x3+9x2+mx+n能被x2+2x-3整除,则m=______,n=______.21.x3+4x2+5x+2用整式______除,则商式和余式都是x+1.222.已知(3x3+nx+m)÷(x2+2x-3)所得余式为3x+2,则m=______,n=______.23.已知x2-3x-2=0,则-x3+11x+6=______.(二)选择24.21a8÷7a2=[]A.7a4;B.3a6;C.3a10;D.3a16.25.x9y3÷6y2=[]A.x3y;B.x3y3;C.x3y2;D.x3.26.28a4b2÷7a3b=[]A.4ab2;B.4a4b;C.4a4b2;D.4ab.[]A.8xyz;B.-8xyz;C.2xyz;D.8xy2z2.28.25a3b2÷5(ab)2=[]A.a;B.5a;C.5a2b;D.5a2.29.正确地进行整式运算可得[]A.2x+3y=5xy;B.4x3y-5xy3=-xy;C.3x3·2x2=6x6;D.4x4y3÷(-2xy3)=-2x3.30.下列计算正确的[]是A.aman=a2m;B.(a3)2=a5;C.a3m-5÷a5-m=a4m-10;D.x3x4x5=x60.331.下列计算错误的是[]A.(x4)4=x16;B.a5a6÷(a5)2÷a=a2;C.(-a)(-a2)+a3+2a2(-a)=0;D.(x5)2+x2x3+(-x2)5=x5.32.(x4y+6x3y2-x2y3)÷3x2y=[]A.x2+2xy-y2;[]34.下列整式除法正确的是[]A.(3x2y3+6x2y2)÷3xy2=xy+2xy;B.(5a2b4-25a3)÷(-5b4)=-a2+5a3b4;C.(2x2-5x-3)÷(x-3)=2x+1;D.(a+b)4(a-b)÷2(a+b)(a2-b2)=2(a+b)2×(a-b).35.(2x3-5x2+3x-2)÷(-x+1+2x2)=[]A.x+1;B.x-1;C.x+2;D.x-2.36.(x2+2xy-8y2+2x+14y-3)÷(x-2y+3)=[]A.x-4y-1;B.x+4y+1;C.x+y;D.x+4y-1.437.(x3+2x2+x+1)÷(x2+x-1)的余式是[]A.x+1;B.x-1;C.x+2;D.x-2.38.(1+x+2x2+x3)÷(x2+x-1)的余式是[]A.x+1;B.x+2;C.x-1;D.x-2.39.除式=6x2+3x-5,商式=4x-5,余式=-8,则被除式为[]A.(6x2+3x-5)(4x-5)+8;B.(6x2+3x-5)÷(4x-5)-8;C.(6x2+3x-5)+(4x-5)×(-8);D.(6x2+3x-5)(4x-5)-8.40.(x3-2x2+ax+2)÷(x2-4x+1)=x+2,则[]A.a=-7;B.a=7;C.a=7x;D.a=-7x.41.(x3-3x2-9x+23)=(x2-x-11)·N+1,则N=[]A.x-2;B.x+2;C.-x-2;5D.-x+2.42.若x3-3x2+ax+b能被x-2整除,则[]A.a=9,b=22;B.a=9,b=-22;C.a=-9,b=22;D.a=-9,b=-22.43.9x4-6x2y2+y4=(3x2-y2)·M,则M=[]A.3x2+y2;B.(3x)2-y2;C.(3x)2+y2;D.3x2-y2.44.如果4x3+9x2+mx+n能被x2+2x-3整除,则[]A.m=10,n=3;B.m=-10,n=3;C.m=-10,n=-3;D.m=10,n=-3.45.(3x-4x2+x4-4)=M·(x2+2x-1)+(-x-3),则M为[]A.x2+2x+1;B.x2-2x+1;C.-x2+2x+1;D.x2+2x-1.646.多项式x2+x+m能被x+5整除,则此多项式也能被下述多项式整除的是[]A.x-6;B.x+6;C.x-4;D.x+4.47.3x4-2x3-32x2+66x+m能被x2+2x-7整除,则m为[]A.35;B.-32;C.-35;D.32.(三)计算48.-3(ab)2·(3a)2·(-ab)3÷(12a3b2).50.(2mn)2·(m2+n2)-(m2n2)3÷m3n4+3m2n4.51.162m÷82n÷4m×43(n-m+1).整数).53.(4xn-1yn+2)2÷(-xn-2yn+1).54.[2yx3+(-2y3-2y2-1)x2+(2y4+y2+y)x-y3]÷(2xy-1)÷(x-y).55.(x2a+3b+4c)m÷[(xa)2m·(x3)bm·(xm)4c].56.四个连续奇数的第二个数是2n+1,已知前两个数的积比后两个数的积少64,求这四个奇数.757.利用竖式除法计算(4+2x3-5x2)÷(x-2).58.用竖式除法计算(2a3+3a-3+9a2)÷(4a+a2-3).59.(6x4-3x3-7x-3)÷(2x2-x-2).60.长方形面积是x2-3xy+2y2,它的一边长是x-y,求它的周长.61.(a5-2a4b-4a3b2+b5)÷(a3+2ab2+b3).62.x(13x2+3x3-1)÷(x2+4x-3).63.(2x4+7x3-12x2-27x)÷(2x2+3x)÷(x-2).64.(x5+x4+5x2+5x+6)÷(x2+x+1)÷(x+2).65.已知整式A=x3-1+x-x2,B=x2-3x+5,求A÷B的商和余式.66.求[4yx4-2x3+yx2-1]÷(x-y)÷(2xy-1)的商式和余式.67.已知除式=3x2+2y,商式=9x4-6x2y+4y2,余式=x-8y3,求被除式.68.已知除式=2x3-3x2+1,商式=x+2,余式=6x2-2,求被除式.69.已知被除式=x4+y4,商式=x3+x2y+xy2+y3,余式=2y4,求除式.70.已知被除式=18x4+82x2+56-71x-45x3,商式=6x2-7x+8,余式=16-4x,求除式.71.一个多项式除以x2+3x-5,商式为x2+x+1,余式为2x-1,求这个多项式.73.已知被除式=4x3+2x2-1,除式=2x-4,余式=39,求商式.74.已知被除式=x5-4x3+2x2+1,除式=x+2,商式=x4-2x3+2x-4,求余式.75.已知x-2能整除x2+kx-14,求k的值.76.已知3x-1能整除6x2+13x+b,求b的值.77.求多项式[2x4-5x3-26x2-x+28]÷(x-1)÷(2x+3)÷(x+2)的商式和余式.78.已知多项式3x3-13x2+18x+m能被(x-1)(x-2)整除,其商为3x+n,求m,n的值.879.已知多项式x3+3x2+ax+b能被x+2整除,且商式被(x-3)除时余3,求a,b的值.80.若多项式(a+b)x2+2bx-3a以x+1和x+2除之分别余1和-22,试求a,b的值.81.已知x3+(a+b)x2+(-2a+b)x+3a-b能被(x-1)2整除,求a,b的值.82.已知多项式x3+ax2-(a+2)x+3a-6能被x2+2x+3整除,且商式为Ax+B,求A,B的值.83.如果多项式x2-2(m+1)x+m能被x+1整除,求m的值.84.已知被除式=-2y4-y3+5y2+5y+5,商式=y2-2,余式=3y+7,求除式.85.已知x2-3x-2=0,求-x3+11x+6的值.86.已知被除式=x4-2x3y-x2y+y2,除式=x2-2y,余式=-4xy2+3y2,求商式.87.已知多项式F被x2-2x-3除时余式为x+4,试求F被x+1除时的余式.88.已知被除式=x4-3x2+ax-1,除式=bx+1,商式=x3-x2-2x+4,余式=-5,求a,b的值.