人教版初二数学上册乘法公式综合练习题大全75.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75
(4a-b)(b+4a)(-b-5)(b+5)
44×39904×899
(a+9b)2(x-3y)2(m+4)2
8001279972(4p-5q)2
(x-7)2+(4x+2)2(2x-y+8)(2x-y-8)2
(4x-5y+4)2[(3x+1)(3x-1)]2
先化简,再求值。
(2x-5y)2-(x-3y)(3x+y),其中x=8,y=-5
11
(—x+y)(—x-y)(3xy+8)(3xy-8)
55
(a-b)(b+a)(-b-7)(b+7)
51×49203×199
(a-4)2(x+8y)2(-2m+4n)2
500122982(p+4)2
(3x-6)2+(4x+10)2(3x-y+6)(3x-y-6)2
(x-y+1)2[(x+7)(x-7)]2
先化简,再求值。
(x-8)2+(4x-5y)(5x+4y),其中x=-10,y=1
77
(—x+y)(—x-y)(xy+6)(xy-6)
88
(4a-b)(b+4a)(-2b-2)(2b+2)
63×59304×299
(2a+5)2(x+6y)2(m+6)2
4022882(4p+8)2
(x-8)2+(x+10)2(4x+y+4)(4x+y-4)2
(3x-y+2)2[(4x+10)(4x-10)]2
先化简,再求值。
(3x+3)2+(x-y)(x+y),其中x=-8,y=-9
55
(—x+y)(—x-y)(5xy+1)(5xy-1)
66
(2a-b)(b+2a)(-b-5)(b+5)
64×59304×299
(4a+4b)2(2x-5y)2(-4m+4n)2
32219972(-3p-5)2
(3x+9)2-(2x+2)2(x-6y+1)(x-6y-1)2
(4x+4y-1)2[(x+1)(x-1)]2
先化简,再求值。
(4x-7y)2-(x-y)(x+y),其中x=6,y=5
77
(—x+y)(—x-y)(xy+4)(xy-4)
66
(a-3b)(3b+a)(-5b-2)(5b+2)
84×79701×699
(a-7)2(x-6)2(-4m-9)2
20012782(p-6)2
(x-7)2+(x-9)2(x-y+10)(x-y-10)2
(4x-3y-5)2[(4x+5)(4x-5)]2
先化简,再求值。
(x+7)2-(3x-y)(x+3y),其中x=-4,y=3
55
(—x+y)(—x-y)(xy+1)(xy-1)
66
(a-4b)(4b+a)(-b-6)(b+6)
54×49303×299
(4a-4b)2(x+9)2(-2m+4)2
7012882(4p+4)2
(2x+5)2-(2x-9)2(x+6y+5)(x+6y-5)2
(x-y-4)2[(2x+4)(2x-4)]2
先化简,再求值。
(4x-9)2-(x-y)(x+y),其中x=-10,y=3
11
(—x+y)(—x-y)(3xy+1)(3xy-1)
55
(a-b)(b+a)(-b-1)(b+1)
53×49303×299
(a+6)2(x+5y)2(2m-9)2
50229982(-2p+2)2
(3x+9)2-(x+7)2(x+y+5)(x+y-5)2
(x+y+1)2[(2x+2)(2x-2)]2
先化简,再求值。
(x+4y)2-(2x-y)(x+2y),其中x=2,y=7
22
(—x+y)(—x-y)(xy+2)(xy-2)
33
(a-b)(b+a)(-6b-2)(6b+2)
34×29704×699
(2a-9)2(4x-9y)2(-m+3)2
60223982(-4p+9)2
(x-8)2-(3x+6)2(2x-6y+10)(2x-6y-10)2
(4x-y-2)2[(3x+4)(3x-4)]2
先化简,再求值。
(4x-8y)2-(6x-4y)(4x+6y),其中x=-6,y=-7
55
(—x+y)(—x-y)(3xy+1)(3xy-1)
66
(5a-b)(b+5a)(-2b-5)(2b+5)
62×59902×899
(2a-9b)2(2x-3y)2(2m+6n)2
20012582(-4p-9q)2
(2x-3)2-(x+2)2(x+8y+9)(x+8y-9)2
(3x+y+5)2[(2x+8)(2x-8)]2
先化简,再求值。
(x-2y)2-(x-y)(x+y),其中x=-2,y=11
22
(—x+y)(—x-y)(2xy+3)(2xy-3)
33
(4a-b)(b+4a)(-5b-2)(5b+2)
33×29504×499
(4a-5b)2(2x+5y)2(2m-8n)2
3012992(3p+4)2
(3x-4)2+(2x-7)2(2x+5y+7)(2x+5y-7)2
(x+4y+1)2[(x+4)(x-4)]2
先化简,再求值。
(3x+5y)2-(x-4y)(4x+y),其中x=-4,y=3
55
(—x+y)(—x-y)(5xy+8)(5xy-8)
66
(2a-3b)(3b+2a)(-b-7)(b+7)
71×69901×899
(4a+6b)2(2x+4y)2(4m-2)2
732872(-p-3q)2
(x-4)2-(x-2)2(2x+5y+3)(2x+5y-3)2
(x+3y-5)2[(4x+8)(4x-8)]2
先化简,再求值。
(x-5)2-(x-5y)(5x+y),其中x=10,y=-3
99
(—x+y)(—x-y)(xy+7)(xy-7)
88
(a-b)(b+a)(-b-8)(b+8)
84×79203×199
(a+8b)2(4x-5)2(-m-5)2
2002269982(2p-6q)2
(3x+9)2+(x-6)2(x+y+8)(x+y-8)2
(x-y-4)2[(4x+1)(4x-1)]2
先化简,再求值。
(x-4)2-(x-6y)(6x+y),其中x=-2,y=11
11
(—x+y)(—x-y)(xy+8)(xy-8)
44
(3a-b)(b+3a)(-6b-9)(6b+9)
93×89902×899
(2a-7b)2(x-8y)2(-4m-7n)2
6012792(4p+2)2
(x+8)2-(x+3)2(x+y+8)(x+y-8)2
(x-y+3)2[(3x+3)(3x-3)]2
先化简,再求值。
(2x+8y)2-(2x-5y)(5x+2y),其中x=-6,y=-7
11
(—x+y)(—x-y)(5xy+8)(5xy-8)
22
(a-4b)(4b+a)(-b-1)(b+1)
82×79802×799
(a+3b)2(x+3)2(-m-4n)2
90323982(p-7q)2
(x-9)2-(4x+2)2(x+7y+2)(x+7y-2)2
(x+y-3)2[(4x+4)(4x-4)]2
先化简,再求值。
(3x+8y)2+(4x-6y)(6x+4y),其中x=2,y=-3
55
(—x+y)(—x-y)(4xy+9)(4xy-9)
66
(3a-b)(b+3a)(-b-3)(b+3)
91×89102×99
(3a+4)2(4x+2y)2(m+5n)2
52229992(p+2)2
(x+9)2+(x+2)2(2x+8y+7)(2x+8y-7)2
(2x-2y+1)2[(x+9)(x-9)]2
先化简,再求值。
(x+7y)2-(x-5y)(5x+y),其中x=-10,y=3
77
(—x+y)(—x-y)(2xy+8)(2xy-8)
88
(a-3b)(3b+a)(-2b-5)(2b+5)
92×89704×699
(a-4)2(4x-3y)2(-m-4)2
90323992(-4p+3q)2
(3x-2)2-(3x-2)2(2x+6y+9)(2x+6y-9)2
(2x+2y+2)2[(x+9)(x-9)]2
先化简,再求值。
(4x-7)2-(x-y)(x+y),其中x=-4,y=-1
33
(—x+y)(—x-y)(4xy+8)(4xy-8)
22
(3a-b)(b+3a)(-5b-3)(5b+3)
94×89801×799
(a-8b)2(x+6)2(-4m+3)2
9002289982(-p+5)2
(2x+10)2+(x+9)2(2x-y+5)(2x-y-5)2
(x+3y-3)2[(4x+3)(4x-3)]2
先化简,再求值。
(x+4)2+(2x-3y)(3x+2y),其中x=8,y=3
66
(—x+y)(—x-y)(2xy+9)(2xy-9)
77
(a-4b)(4b+a)(-b-7)(b+7)
61×59704×699
(4a-8b)2(2x+7)2(-m+5)2
6022472(-p-2q)2
(3x+3)2+(2x-6)2(x+y+10)(x+y-10)2
(x-y+2)2[(x+2)(x-2)]2
先化简,再求值。
(x-5)2-(x-5y)(5x+y),其中x=4,y=1
55
(—x+y)(—x-y)(xy+9)(xy-9)
44
(a-b)(b+a)(-3b-4)(3b+4)
43×39801×799
(a+7b)2(x+5)2(m-6)2
7003239992(p-3)2
(2x+3)2+(x+7)2(x-y+10)(x-y-10)2
(4x+3y-2)2[(3x+5)(3x-5)]2
先化简,再求值。
(x+8)2-(2x-5y)(5x+2y),其中x=4,y=5
11
(—x+y)(—x-y)(3xy+5)(3xy-5)
88
(5a-6b)(6b+5a)(-b-9)(b+9)
43×39204×199
(4a+9)2(x-6)2(-2m-7)2
200324992(2p+8)2
(x-7)2+(x-2)2(x-y+5)(x-y-5)2