七年级数学上册计算题专项练习 160文档格式.docx
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(6s+1)+3(s2-s+2)
-3(a2b+ab2+a3)+(-4a2b-4ab2)
-(2mn+3m2-3n2)+(-mn+5m2-)
(4a3-a2b+5)+(a2b-2)
-3(x3+y3+)+3(x3+y3+)
b2-(a2-2b2)-3b2
x+(x-6)-(-5)
-(ab-2a2)+(6ab-a2)
6a2+(ab-4a2)-7ab
-4(b-1)+4(-b-4)
(x2-y)+(x-y2)+(x2-y2)
-(-x+4y)-(x-y)
(6s-1)-4(s2-s+3)
-4(a2b-ab2-a3)-(-4a2b+2ab2)
-(3mn-5m2+3n2)-(-mn-2m2+)
(3a3+a2b+2)+(a2b-2)
-4(x3+y3+)+4(x3+y3-)
9b2-(2a2-2b2)+3b2
2x+(3x-3)-(-2)
-2(ab+2a2)+(2ab-2a2)
6a2-(4ab+4a2)-3ab
-(b-3)+5(-b+3)
-(-x+y)-(x-3y)
(5s+2)+3(s2+s-4)
-4(a2b-ab2-a3)-(-2a2b+2ab2)
-(5mn-4m2+3n2)+(-mn-4m2+)
(2a3-a2b-1)-(a2b-4)
-2(x3-y3-)-3(x3-y3-)
9b2-(4a2-3b2)-b2
2x+(5x-7)-(-1)
-2(ab+2a2)-(3ab-2a2)
4a2+(3ab-5a2)-8ab
-4(b-1)+5(-b+2)
-(-x+3y)-(x-2y)
(6s+3)+4(s2-s+2)
-(a2b-ab2-a3)-(-2a2b-2ab2)
-(5mn-5m2+2n2)-(-mn+4m2-)
(4a3+a2b-1)+(a2b+1)
-3(x3-y3-)-2(x3-y3-)
3b2-(2a2+4b2)-6b2
5x+(4x-6)-(-5)
-2(ab+3a2)-(5ab-a2)
6a2-(3ab-4a2)-6ab
-2(b-2)-3(-b-3)
(x2-y)+(x-y2)-(x2-y2)
-(-x+y)-(x-2y)
(5s+2)+2(s2+s-2)
-2(a2b+ab2-a3)+(-2a2b-4ab2)
-(4mn-2m2+3n2)-(-mn+3m2+)
(2a3+a2b+2)+(a2b-5)
-3(x3-y3+)+2(x3-y3+)
b2-(3a2+4b2)+3b2
7x+(4x-6)-(+1)
-5(ab-4a2)+(2ab-2a2)
5a2+(4ab+2a2)-6ab
-4(b-4)-3(-b-4)
(x2-y)+(x-y2)-(x2+y2)
(6s+4)-4(s2+s-2)
-3(a2b+ab2-a3)+(-2a2b-2ab2)
-(3mn-3m2-3n2)-(-mn+3m2-)
(4a3-a2b-3)+(a2b+1)
-4(x3-y3+)-2(x3-y3+)
2b2-(2a2-b2)+3b2
9x+(2x-2)-(+3)
-5(ab+a2)-(4ab-4a2)
2a2+(4ab-3a2)-4ab
-3(b+2)+4(-b-3)
(x2-y)-(x-y2)+(x2+y2)
-(-x+3y)+(x-4y)
(5s+3)-3(s2+s+4)
-4(a2b-ab2-a3)+(-3a2b+3ab2)
-(5mn-4m2-2n2)+(-mn+4m2+)
(a3+a2b-4)+(a2b-6)
-2(x3-y3+)+2(x3+y3+)