人教版初二数学上册乘法公式综合练习题大全61.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61
(a-b)(b+a)(-5b-7)(5b+7)
41×39403×399
(a+8)2(2x-6y)2(4m-2)2
10229972(3p+3)2
(3x-1)2-(3x+7)2(x-7y+6)(x-7y-6)2
(x+y+5)2[(2x+5)(2x-5)]2
先化简,再求值。
(4x+6y)2+(x-3y)(3x+y),其中x=-2,y=3
88
(—x+y)(—x-y)(3xy+6)(3xy-6)
77
(2a-b)(b+2a)(-2b-5)(2b+5)
44×39602×599
(3a+4b)2(3x-4y)2(-m-2n)2
500327972(p+5q)2
(2x+10)2+(2x+1)2(x+6y+7)(x+6y-7)2
(x-5y-5)2[(x+6)(x-6)]2
先化简,再求值。
(x+3y)2-(x-5y)(5x+y),其中x=10,y=-5
77
(—x+y)(—x-y)(xy+9)(xy-9)
88
(3a-b)(b+3a)(-4b-8)(4b+8)
33×29104×99
(4a-6b)2(x+5y)2(-3m-5)2
60325982(-p-9q)2
(3x-7)2+(3x+5)2(4x+8y+5)(4x+8y-5)2
(x+2y+2)2[(x+2)(x-2)]2
先化简,再求值。
(x+6y)2+(x-y)(x+y),其中x=10,y=7
44
(—x+y)(—x-y)(4xy+10)(4xy-10)
33
(3a-6b)(6b+3a)(-6b-9)(6b+9)
52×49202×199
(a-7)2(x+2y)2(-4m+8)2
51289992(p+9)2
(3x+10)2-(x-7)2(x-y+3)(x-y-3)2
(2x-y+4)2[(x+9)(x-9)]2
先化简,再求值。
(x+3y)2+(x-4y)(4x+y),其中x=0,y=-7
33
(—x+y)(—x-y)(2xy+4)(2xy-4)
44
(4a-6b)(6b+4a)(-b-2)(b+2)
73×69703×699
(4a+3b)2(4x-6y)2(-4m+8)2
4022692(4p-8q)2
(x-8)2+(2x-10)2(x+8y+3)(x+8y-3)2
(4x-y+4)2[(x+10)(x-10)]2
先化简,再求值。
(4x+6)2-(2x-y)(x+2y),其中x=-2,y=9
44
(—x+y)(—x-y)(xy+1)(xy-1)
55
(5a-b)(b+5a)(-b-1)(b+1)
63×59203×199
(4a+4b)2(x-8)2(-m-7n)2
70324982(p+3q)2
(3x+2)2-(x+6)2(x-8y+5)(x-8y-5)2
(4x-4y-5)2[(4x+2)(4x-2)]2
先化简,再求值。
(x+9)2-(3x-y)(x+3y),其中x=0,y=-9
99
(—x+y)(—x-y)(xy+2)(xy-2)
88
(4a-2b)(2b+4a)(-b-1)(b+1)
43×39304×299
(3a+5)2(x-6y)2(-2m-4)2
70222982(p+5)2
(x-9)2-(2x+1)2(x-7y+6)(x-7y-6)2
(x+3y-5)2[(2x+1)(2x-1)]2
先化简,再求值。
(x+6y)2+(x-y)(x+y),其中x=-6,y=-9
22
(—x+y)(—x-y)(2xy+6)(2xy-6)
33
(2a-b)(b+2a)(-3b-9)(3b+9)
61×59102×99
(4a+3)2(4x-8y)2(-m-6)2
202299972(-p+8q)2
(2x-5)2-(x-6)2(x+y+6)(x+y-6)2
(4x+3y-2)2[(x+4)(x-4)]2
先化简,再求值。
(2x-5)2-(x-5y)(5x+y),其中x=-6,y=9
11
(—x+y)(—x-y)(xy+3)(xy-3)
77
(2a-6b)(6b+2a)(-b-1)(b+1)
92×89201×199
(a-6b)2(x-3y)2(-4m-5n)2
1002289992(3p+2)2
(x-10)2-(x+8)2(4x-8y+6)(4x-8y-6)2
(2x+4y-3)2[(x+9)(x-9)]2
先化简,再求值。
(4x-7)2+(x-6y)(6x+y),其中x=-8,y=3
66
(—x+y)(—x-y)(5xy+8)(5xy-8)
77
(6a-b)(b+6a)(-b-3)(b+3)
44×39302×299
(a+4)2(x+9)2(m-4n)2
70012772(-p-5)2
(3x-5)2-(x-6)2(3x+7y+3)(3x+7y-3)2
(4x+y+5)2[(x+5)(x-5)]2
先化简,再求值。
(x-5)2+(x-y)(x+y),其中x=-2,y=-3
44
(—x+y)(—x-y)(5xy+4)(5xy-4)
55
(4a-b)(b+4a)(-3b-7)(3b+7)
83×79703×699
(a-5b)2(x+6y)2(m+6n)2
701239972(-p-3q)2
(2x-4)2-(x+2)2(3x+7y+6)(3x+7y-6)2
(x-y-2)2[(x+2)(x-2)]2
先化简,再求值。
(2x-9y)2-(x-y)(x+y),其中x=-10,y=7
11
(—x+y)(—x-y)(5xy+2)(5xy-2)
88
(5a-6b)(6b+5a)(-5b-4)(5b+4)
64×59704×699
(2a+5)2(x+4y)2(4m-7)2
832872(p-2q)2
(x-1)2-(4x+2)2(4x+y+2)(4x+y-2)2
(x-5y-1)2[(2x+2)(2x-2)]2
先化简,再求值。
(3x+6)2-(2x-6y)(6x+2y),其中x=2,y=7
11
(—x+y)(—x-y)(xy+7)(xy-7)
33
(2a-5b)(5b+2a)(-b-3)(b+3)
44×39103×99
(a-6b)2(2x+4y)2(-2m-8)2
601249982(p+3q)2
(x-10)2-(x+10)2(x-y+2)(x-y-2)2
(x+3y-1)2[(4x+8)(4x-8)]2
先化简,再求值。
(2x-2y)2-(x-y)(x+y),其中x=-8,y=-3
77
(—x+y)(—x-y)(xy+6)(xy-6)
66
(6a-5b)(5b+6a)(-b-7)(b+7)
62×59401×399
(3a-4)2(4x+4)2(-2m+5n)2
50012282(p-8q)2
(x+5)2+(4x+10)2(x+y+1)(x+y-1)2
(2x+y+3)2[(4x+9)(4x-9)]2
先化简,再求值。
(4x-6)2+(x-6y)(6x+y),其中x=0,y=3
88
(—x+y)(—x-y)(5xy+10)(5xy-10)
77
(6a-b)(b+6a)(-b-3)(b+3)
94×89903×899
(4a+9b)2(x-7y)2(-m+6)2
9226972(p+3q)2
(3x+6)2+(3x+4)2(x+y+5)(x+y-5)2
(3x+4y+5)2[(4x+8)(4x-8)]2
先化简,再求值。
(x-6)2+(2x-3y)(3x+2y),其中x=0,y=9
11
(—x+y)(—x-y)(2xy+2)(2xy-2)
44
(3a-6b)(6b+3a)(-5b-7)(5b+7)
32×29504×499
(a+4b)2(2x+9y)2(-3m+9n)2
701259982(3p+4q)2
(x-3)2-(4x+5)2(x-y+9)(x-y-9)2
(4x+3y-3)2[(2x+9)(2x-9)]2
先化简,再求值。
(x+2)2+(x-3y)(3x+y),其中x=-4,y=9
11
(—x+y)(—x-y)(xy+1)(xy-1)
77
(a-b)(b+a)(-b-6)(b+6)
42×39902×899
(a+6)2(2x-2)2(m-3)2
9001229982(-2p-3)2
(3x-2)2+(x+7)2(x-7y+4)(x-7y-4)2
(3x-y-1)2[(x+7)(x-7)]2
先化简,再求值。
(x+8)2-(6x-2y)(2x+6y),其中x=-8,y=-5
66
(—x+y)(—x-y)(2xy+9)(2xy-9)
77
(3a-b)(b+3a)(-b-9)(b+9)
64×59803×799
(a+5b)2(4x+9y)2(4m+7n)2
60022192(p-9q)2
(2x+5)2-(x+8)2(x-y+10)(x-y-10)2
(x-2y+1)2[(x+7)(x-7)]2
先化简,再求值。
(3x+4y)2-(x-2y)(2x+y),其中x=10,y=9
11
(—x+y)(—x-y)(3xy+8)(3xy-8)
33
(a-2b)(2b+a)(-b-1)(b+1)
44×39103×99
(3a-5)2(x+4)2(-4m-9)2
90228982(-p-6)2
(3x+6)2-(4x+3)2(x-5y+3)(x-5y-3)2
(3x-y+1)2[(3x+3)(3x-3)]2
先化简,再求值。
(4x-4)2+(x-6y)(6x+y),其中x=2,y=5
44
(—x+y)(—x-y)(xy+7)(xy-7)
33
(3a-3b)(3b+3a)(-b-2)(b+2)
81×79101×99
(a-4)2(x+2y)2(-m+8n)2
62219992(-p+7)2
(x+1)2-(x+10)2(x+6y+9)(x+6y-9)2