整式的除法专题训练

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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

2、______．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

3、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+1．822．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=                                           

4、       [   ]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=   

5、                                         [   ]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

6、÷a5-m=a4m-10；D．x3x4x5=x60．831．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；                                                 

7、                                           [   ]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)=