因式分解训练题.pdf

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1、因式分解训练题222mm-1231．x+2x-32．x-2ax+a3.(-2)+2(-2)4．2y(x-y)-(y-x)222325．-28ab+21ab-7ab6．-6x+9xy-3x7．-4a+16a+12a3322222228．49xyz+14xyz-21xyz9．6a(a-b)-8(a-b)10.3m(x-y)-2(y-x)2222164411．4m-n12．144a-256b13．16x-yz22228214．(ab)-4(a-b)15．b-(a-bc)16．64a-b17．(xy-z)(x-yz)(y-xz)(y-x-z)18．m(m

2、-x)(m-y)-y(x-m)(y-m)2219．4a(x-y)-2b(y-x)+(y-x)20．(x-y)(a-b)-(y-x)2(y-x)1222221．(a-b)(a-abb)-ab(b-a)22．0.5x(a-b)-0.25y(b-a)23．9xyz-6xyz+3xz846241624．-a(a-x)(x-b)ab(a-x)(b-x)25．81x-225ab26．25abc-122227．(ab)-10028．289-(ax-by)29．361-(3a+2b)44222230．(a-b)-81b31．(a2b)-(x-3y)32．(2x-

3、3y)-4a41668232633．36ax-49by34．x+8x+1635．1-6ab+9ab632222236．x+24x+14437．x-38x+36138．9(x-y)12(x-y)4(xy)22222239．(2y-3x)-2(3x-2y)+140．(2y-3x)+2(3x-2y)+141．(a+b)-4(a-b)+4(a-b)22222222242．a(b+c)-2ab(a-c)(b+c)+b(a-c)43．(x+y)-2(x-y)+(x-y)44．x-6x-162222222245．x-y-z+2yz+x+y-z46．x-13xy

4、-30y47．x+13xy-30y22248．x-7xy-30y49．m(p-q)-p+q50．(2m+3n)(2m-n)-4n(2m-n)．2251．(x+2y)-x-2xy．52．a(ab+bc+ac)-abc．53．ab-a-b+1．443322232254．xyz-xy-xz+x-yz+y+z-1．55．x-2y-2xy+xy．56．abc(a+b+c)-abc+2abc．22257．(a-b-c)(a+b-c)-(b-c-a)(b+c-a)．58．a(b-c)+b(c-a)+c(a-b)．2222258．a(a+b)(a-b)-a(a+

5、b)．59．(x-2x)+2x(x-2)+1．60．2acd-ca-ad．2222222261．(x-y)+12(y-x)z+36z．62．x-4ax+8ab-4b．63．ab+cd-2abcd+2ab-2cd+1．222222224464．(ax+by)+(ay-bx)+2(ax+by)(ay-bx)．65．(1-a)(1-b)-(a-1)(b-1)．66．3x-48y．3222222222267．(x+1)-9(x-1)．68．(x+pq)-(p+q)x．69．(1+2xy)-(x+y)．2222222222222222270．4ab-(a+

6、b)．71．4ab-(a+b-c)．72．(c-a-b)-4ab．22222242442273．(x-b+y-a)-4(ab-xy)．74．64a(x+1)-49b(x+1)．75．ab-ac+4ac-4a．22222276．4a-c+6ab+3bc．77．x+4xy+3y．78．xy-18xy+65．224279．x+18x-144．80．x+30x+144．81．x+2x-8．4242422482．3x+6x-9．83．-m+18m-17．84．3x-7xy-20y．5332285285．x-2x-8x．86．a-5ab-300ab．87．x

7、+19x-216x．4n+k2n+kk224288．6a-a-35a．89．30x+8xy-182y．90．m+14m-15．4