人教版初二数学上册乘法公式综合练习题大全55.docx
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人教版初二数学上册乘法公式综合练习题大全55
(5a-3b)(3b+5a)(-b-8)(b+8)
53×49501×499
(a-4b)2(x+6y)2(m-4)2
901269972(-2p+7q)2
(2x+3)2+(x-7)2(x+7y+10)(x+7y-10)2
(2x-5y-2)2[(2x+7)(2x-7)]2
先化简,再求值。
(x-3)2-(x-4y)(4x+y),其中x=2,y=-1
44
(—x+y)(—x-y)(xy+7)(xy-7)
33
(a-b)(b+a)(-b-9)(b+9)
42×39503×499
(a-7)2(3x+5y)2(-3m-7n)2
6002229972(2p-4q)2
(x+2)2-(3x-1)2(4x+y+6)(4x+y-6)2
(x+5y-3)2[(4x+3)(4x-3)]2
先化简,再求值。
(2x+3)2+(6x-3y)(3x+6y),其中x=4,y=3
11
(—x+y)(—x-y)(xy+8)(xy-8)
33
(3a-b)(b+3a)(-2b-3)(2b+3)
54×49504×499
(a-8)2(2x-8)2(4m+7n)2
20012592(p+5)2
(2x+8)2-(4x-4)2(3x+8y+5)(3x+8y-5)2
(x+4y+4)2[(x+10)(x-10)]2
先化简,再求值。
(2x+4)2-(5x-5y)(5x+5y),其中x=0,y=-7
66
(—x+y)(—x-y)(xy+7)(xy-7)
77
(a-b)(b+a)(-5b-1)(5b+1)
83×79904×899
(4a-6)2(2x+2)2(m-9n)2
822272(-4p-7)2
(3x-6)2-(x+1)2(4x-5y+10)(4x-5y-10)2
(4x-5y-1)2[(3x+6)(3x-6)]2
先化简,再求值。
(x-2)2-(x-y)(x+y),其中x=-8,y=3
22
(—x+y)(—x-y)(2xy+2)(2xy-2)
33
(a-6b)(6b+a)(-2b-8)(2b+8)
93×89702×699
(a+5b)2(2x+7)2(-m+7)2
6022872(-p+4)2
(3x-6)2+(x-6)2(3x-y+9)(3x-y-9)2
(x-y-1)2[(x+4)(x-4)]2
先化简,再求值。
(4x-4)2-(x-y)(x+y),其中x=-4,y=-9
11
(—x+y)(—x-y)(5xy+9)(5xy-9)
33
(a-6b)(6b+a)(-5b-10)(5b+10)
43×39702×699
(a-5)2(x-8y)2(3m+9)2
9322972(4p-7q)2
(3x-1)2-(x+2)2(2x-5y+4)(2x-5y-4)2
(x-4y-3)2[(x+5)(x-5)]2
先化简,再求值。
(2x-7y)2-(x-y)(x+y),其中x=0,y=-9
11
(—x+y)(—x-y)(4xy+6)(4xy-6)
66
(a-3b)(3b+a)(-3b-8)(3b+8)
92×89404×399
(a-5)2(4x+8)2(-m+5n)2
612282(-p+4q)2
(2x+8)2+(x+3)2(x+5y+9)(x+5y-9)2
(x-y-3)2[(2x+5)(2x-5)]2
先化简,再求值。
(x+5)2-(x-4y)(4x+y),其中x=-6,y=7
11
(—x+y)(—x-y)(3xy+7)(3xy-7)
66
(a-b)(b+a)(-4b-7)(4b+7)
33×29701×699
(3a-2)2(2x+6y)2(-4m-8n)2
6022992(2p-4q)2
(x+5)2-(x+1)2(x-y+7)(x-y-7)2
(2x+y-4)2[(3x+10)(3x-10)]2
先化简,再求值。
(x+8)2-(x-6y)(6x+y),其中x=-4,y=-7
44
(—x+y)(—x-y)(5xy+5)(5xy-5)
33
(a-b)(b+a)(-b-10)(b+10)
64×59202×199
(2a+6)2(x-7y)2(-m-5)2
32289972(-p-6q)2
(2x-5)2+(x-6)2(4x+7y+10)(4x+7y-10)2
(4x+5y-2)2[(3x+5)(3x-5)]2
先化简,再求值。
(x-6y)2+(x-5y)(5x+y),其中x=6,y=7
11
(—x+y)(—x-y)(xy+3)(xy-3)
66
(a-3b)(3b+a)(-b-2)(b+2)
41×39103×99
(a+4b)2(x+3)2(4m-7)2
33219972(3p+7q)2
(x-3)2-(x-4)2(2x+5y+2)(2x+5y-2)2
(x+y-4)2[(x+3)(x-3)]2
先化简,再求值。
(3x-2)2-(x-y)(x+y),其中x=0,y=11
88
(—x+y)(—x-y)(4xy+9)(4xy-9)
77
(a-2b)(2b+a)(-5b-3)(5b+3)
51×49302×299
(2a+9b)2(4x+2y)2(-m+4)2
3224972(p+7)2
(3x-4)2-(4x-8)2(4x+y+6)(4x+y-6)2
(4x+y+5)2[(2x+10)(2x-10)]2
先化简,再求值。
(3x-6)2+(6x-y)(x+6y),其中x=-10,y=-9
44
(—x+y)(—x-y)(xy+5)(xy-5)
33
(a-b)(b+a)(-4b-2)(4b+2)
63×59301×299
(3a+7)2(x+9y)2(-3m-3n)2
20227972(p+4q)2
(2x+1)2+(4x-6)2(x+y+1)(x+y-1)2
(x-y-2)2[(3x+1)(3x-1)]2
先化简,再求值。
(3x-5y)2-(5x-y)(x+5y),其中x=6,y=-1
99
(—x+y)(—x-y)(xy+2)(xy-2)
88
(a-b)(b+a)(-3b-3)(3b+3)
44×39502×499
(a+4)2(x-6y)2(2m+2n)2
1001239972(p+6q)2
(2x-7)2-(3x-1)2(x+6y+5)(x+6y-5)2
(3x+3y+1)2[(4x+10)(4x-10)]2
先化简,再求值。
(x+4y)2+(4x-y)(x+4y),其中x=-10,y=3
44
(—x+y)(—x-y)(2xy+3)(2xy-3)
33
(a-5b)(5b+a)(-4b-5)(4b+5)
42×39101×99
(a+4b)2(2x+6y)2(-m+9)2
400124982(p-9)2
(2x-1)2+(x-5)2(x-y+5)(x-y-5)2
(x+5y-3)2[(4x+6)(4x-6)]2
先化简,再求值。
(x-3y)2+(x-y)(x+y),其中x=-4,y=9
11
(—x+y)(—x-y)(5xy+9)(5xy-9)
88
(a-2b)(2b+a)(-5b-2)(5b+2)
91×89904×899
(4a-2b)2(x-9y)2(-m-7n)2
10012872(3p-9)2
(x+10)2-(x-1)2(3x+y+8)(3x+y-8)2
(2x+4y+2)2[(4x+1)(4x-1)]2
先化简,再求值。
(x-9y)2+(x-y)(x+y),其中x=0,y=1
11
(—x+y)(—x-y)(3xy+3)(3xy-3)
55
(a-b)(b+a)(-2b-4)(2b+4)
91×89304×299
(2a+3)2(x+2)2(2m-6n)2
5002269972(-2p+2q)2
(3x-2)2+(2x+10)2(4x+y+10)(4x+y-10)2
(x+y+3)2[(3x+2)(3x-2)]2
先化简,再求值。
(4x-6)2+(x-2y)(2x+y),其中x=10,y=-3
11
(—x+y)(—x-y)(5xy+8)(5xy-8)
33
(2a-b)(b+2a)(-b-9)(b+9)
94×89504×499
(a-8)2(x-4y)2(2m-3)2
80324982(2p+6q)2
(2x+4)2+(2x+10)2(x+6y+7)(x+6y-7)2
(2x+5y+4)2[(x+5)(x-5)]2
先化简,再求值。
(x-3y)2+(4x-5y)(5x+4y),其中x=-6,y=-5
99
(—x+y)(—x-y)(3xy+10)(3xy-10)
88
(a-3b)(3b+a)(-2b-6)(2b+6)
72×69301×299
(2a+5)2(2x+5)2(m-7n)2
5326992(p-5)2
(2x+7)2+(x+9)2(x-7y+4)(x-7y-4)2
(x-5y+4)2[(3x+7)(3x-7)]2
先化简,再求值。
(2x+4y)2+(x-y)(x+y),其中x=4,y=11
11
(—x+y)(—x-y)(2xy+9)(2xy-9)
22
(a-b)(b+a)(-5b-2)(5b+2)
92×89103×99
(3a-9b)2(x-6y)2(-2m+3)2
73259972(-p-6q)2
(x+8)2-(x-2)2(x-y+5)(x-y-5)2
(x+y+3)2[(x+5)(x-5)]2
先化简,再求值。
(x-9y)2-(x-3y)(3x+y),其中x=-2,y=-1
11
(—x+y)(—x-y)(xy+5)(xy-5)
44
(a-6b)(6b+a)(-2b-3)(2b+3)
83×79203×199
(a+9b)2(2x+3y)2(-m+3)2
90022382(3p+4)2
(2x+9)2+(x+4)2(x-y+9)(x-y-9)2