七年级数学上册计算题专项练习 41.docx

1、七年级数学上册计算题专项练习 415b2-(5a2-4b2)-3b25x+(3x-1)-(-2)-2(ab+2a2)-(ab-a2)5a2+(3ab-3a2)-8ab-4(b-1)+3(-b+4)(x2-y)-(x-y2)+(x2-y2)-(-x+2y)+(x-2y)(6s+2)-2(s2-s-4)-(a2b+ab2-a3)-(-3a2b-2ab2)-(3mn+2m2-5n2)+(-mn+2m2+)(2a3+a2b+1)+(a2b-6)-3(x3-y3+)-4(x3-y3+)b2-(2a2+4b2)-4b24x+(2x-7)-(-4)-5(ab+5a2)+(2ab-4a2)6a2-(2ab+6

2、a2)-4ab-4(b+4)+5(-b+4)(x2-y)-(x-y2)-(x2+y2)-(-x+4y)+(x-4y)(5s-1)-4(s2-s-4)-(a2b+ab2-a3)-(-3a2b+3ab2)-(3mn-2m2+3n2)+(-mn+3m2+)(3a3-a2b+1)+(a2b-3)-3(x3-y3-)+3(x3+y3+)5b2-(2a2-2b2)+4b29x+(x-3)-(-2)-2(ab+5a2)-(ab-3a2)a2-(3ab-6a2)-6ab-4(b+4)+2(-b-2)(x2-y)+(x-y2)-(x2+y2)-(-x+3y)-(x-4y)(4s-3)-2(s2+s+2)-4(a

3、2b+ab2-a3)-(-3a2b+3ab2)-(3mn+3m2+2n2)+(-mn+4m2+)(a3+a2b+5)+(a2b+2)-4(x3+y3-)+4(x3-y3+)b2-(4a2-2b2)+4b26x+(5x-4)-(+1)-5(ab+5a2)+(2ab-a2)a2+(3ab-3a2)-7ab-(b-2)-2(-b-2)(x2-y)+(x-y2)-(x2+y2)-(-x+y)+(x-2y)(3s+1)-4(s2-s+4)-4(a2b-ab2+a3)-(-4a2b-3ab2)-(2mn-2m2-2n2)-(-mn-3m2+)(3a3-a2b-4)+(a2b+5)-2(x3-y3+)-3(

4、x3+y3-)2b2-(2a2-b2)-b29x+(4x-1)-(+4)-(ab+2a2)-(ab-a2)4a2+(4ab-3a2)-3ab-(b-1)-5(-b-2)(x2-y)-(x-y2)-(x2+y2)-(-x+3y)+(x-3y)(5s+4)-2(s2-s-4)-4(a2b+ab2-a3)+(-3a2b+4ab2)-(3mn-5m2+5n2)-(-mn-2m2+)(4a3-a2b-5)+(a2b-3)-3(x3-y3-)-3(x3+y3+)4b2-(5a2+5b2)-3b26x+(x-4)-(+4)-4(ab+a2)+(2ab-3a2)5a2-(2ab+3a2)-8ab-4(b+3)

5、+4(-b+4)(x2-y)-(x-y2)+(x2-y2)-(-x+2y)-(x-4y)(3s+1)-2(s2-s+5)-2(a2b+ab2-a3)-(-2a2b-3ab2)-(3mn+2m2-5n2)+(-mn-4m2+)(3a3+a2b-5)+(a2b-2)-2(x3-y3+)-3(x3+y3-)5b2-(3a2-4b2)-b23x+(2x-3)-(+5)-5(ab+4a2)-(4ab-4a2)2a2-(ab+2a2)-2ab-4(b+3)+3(-b+2)(x2-y)-(x-y2)-(x2-y2)-(-x+3y)-(x-2y)(4s-1)-3(s2+s+3)-(a2b+ab2-a3)-(-2a2b+3ab2)-(4mn-4m2+4n2)+(-mn+2m2+)(3a3+a2b-5)-(a2b-6)-4(x3-y3+)+2(x3-y3+)