北师大版七年级数学下册整式的乘法练习题 49.docx

1、北师大版七年级数学下册整式的乘法练习题 49(x4y)26(xy)22(53t)(53t)(mn4)(mn4)m24x2(x1)(x1)(x2yz)(x2yz)(2x3)2(2x3)2(2a2b)(2a2b)(x5y)24(xy)23(4y)(4y)(2m3)(2m3)m24x2(x1)(x1)(53t2)(53t2)(2a2b)2(2a2b)2(m1)(m1)(x4y)26(xy)23(x2y)1(x2y)1(22n)(22n)m22x2(x4)(x4)(mn4n)(mn4n)(m1)2(m1)2(53t)(53t)(x5y)24(xy)23(x2y)1(x2y)1(2m2n)(2m2n)m

2、23x2(2y3x)(2y3x)(m1n)(m1n)(mn4)2(mn4)2(x2y)1(x2y)1(x6y)26(xy)22(2n3m)(2n3m)(53n)(53n)m25x2(2x2y)(2x2y)(mn4n)(mn4n)(m1)2(m1)2(2x3)(2x3)(x6y)22(xy)23(2a2b)(2a2b)(2m3)(2m3)m24x2(22x)(22x)(22ab)(22ab)(22a)2(22a)2(x2y)(x2y)(x4y)24(xy)22(m1)(m1)(2m3)(2m3)m25x2(x2y)(x2y)(53t2)(53t2)(53t)2(53t)2(m1)(m1)(x5y

3、)24(xy)23(4y)(4y)(53n)(53n)m24x2(x2y)1(x2y)1(53t2)(53t2)(4y)2(4y)2(m1)(m1)(x4y)22(xy)22(x2y)1(x2y)1(4m)(4m)m22x2(x4)(x4)(m1n)(m1n)(2x3)2(2x3)2(53t)(53t)(x6y)24(xy)24(2x3)(2x3)(m1)(m1)m22x2(x2y)1(x2y)1(2n3m4)(2n3m4)(2a2b)2(2a2b)2(m1)(m1)(x5y)28(xy)23(x2y)(x2y)(2n3m)(2n3m)m23x2(4x)(4x)(22ab)(22ab)(53t)2(53t)2(4y)(4y)(x3y)26(xy)22(2n3m)(2n3m)(m2n)(m2n)m25x2(2x2y)(2x2y)(53t2)(53t2)(x2y)2(x2y)2(22a)(22a)(x4y)24(xy)22(m1)(m1)(53n)(53n)m25x2(22x)(22x)(x2yz)(x2yz)(mn4)2(mn4)2(4y)(4y)(x4y)2