七年级数学上册计算题专项练习 201Word文档格式.docx
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(5s-1)-4(s2-s+2)
-3(a2b-ab2+a3)+(-3a2b+4ab2)
-(2mn+2m2-5n2)-(-mn+4m2+)
(4a3-a2b-3)+(a2b+5)
-3(x3+y3-)-3(x3-y3+)
3b2-(5a2+b2)-5b2
4x+(5x-8)-(+2)
-(ab-5a2)+(3ab-a2)
4a2-(3ab+3a2)-6ab
-(b-4)-2(-b-2)
(x2-y)+(x-y2)-(x2-y2)
-(-x+2y)-(x-2y)
(3s+2)-3(s2+s-2)
-4(a2b+ab2+a3)-(-2a2b-3ab2)
-(5mn-4m2+4n2)-(-mn+3m2-)
(4a3+a2b-4)-(a2b-2)
-4(x3-y3-)+4(x3-y3+)
9b2-(5a2-5b2)+4b2
3x+(3x-1)-(-2)
-(ab+a2)+(ab-3a2)
4a2-(2ab-3a2)-3ab
-4(b+1)-2(-b-2)
(x2-y)-(x-y2)+(x2+y2)
-(-x+y)-(x-3y)
(2s-3)-2(s2-s+5)
-2(a2b+ab2+a3)-(-3a2b-4ab2)
-(4mn+4m2+3n2)-(-mn+5m2-)
(2a3-a2b+5)-(a2b-2)
-2(x3+y3+)+2(x3-y3-)
9b2-(2a2+3b2)+4b2
5x+(x-5)-(-3)
-(ab-5a2)-(2ab-a2)
3a2-(4ab-4a2)-8ab
-3(b-1)-3(-b+3)
(x2-y)-(x-y2)+(x2-y2)
-(-x+y)-(x-2y)
(5s+3)+4(s2+s+3)
-2(a2b-ab2+a3)+(-4a2b-3ab2)
-(2mn-2m2+4n2)+(-mn-2m2+)
(3a3+a2b+3)-(a2b+1)
-2(x3-y3-)-4(x3+y3-)
6b2-(4a2+5b2)+3b2
9x+(3x-1)-(+4)
-3(ab-a2)+(6ab-4a2)
a2-(4ab-a2)-5ab
-4(b+3)+3(-b+4)
(x2-y)-(x-y2)-(x2-y2)
-(-x+3y)+(x-4y)
(3s-3)-3(s2+s-5)
-(a2b+ab2+a3)+(-3a2b-2ab2)
-(2mn-5m2-3n2)-(-mn+3m2+)
(4a3-a2b+5)-(a2b-2)
-3(x3-y3+)+4(x3+y3-)
2b2-(5a2+4b2)+3b2
9x+(4x-5)-(-2)
-5(ab+4a2)-(2ab-2a2)
5a2+(ab-2a2)-6ab
-4(b-3)-2(-b-3)
-(-x+4y)-(x-y)
(3s-1)+4(s2+s-2)
-4(a2b-ab2+a3)-(-3a2b-3ab2)
-(5mn+4m2+2n2)-(-mn-5m2+)
(2a3-a2b-1)+(a2b+3)
-4(x3+y3+)-2(x3+y3-)
8b2-(5a2-b2)-5b2
5x+(x-8)-(-1)
-4(ab+5a2)+(5ab-2a2)
3a2-(3ab+5a2)-4ab
-4(b+1)-5(-b+2)
(x2-y)-(x-y2)-(x2+y2)
-(-x+y)+(x-y)
(3s+4)+4(s2+s-4)
-4(a2b-ab2+a3)+(-4a2b+4ab2)
-(2mn-3m2-4n2)+(-mn+5m2+)
(3a3+a2b-3)+(a2b-6)
-3(x3+y3-)+4(x3+y3+)