七年级数学上册计算题专项练习 352Word文档下载推荐.docx
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(5s-3)-2(s2-s+4)
-4(a2b+ab2+a3)+(-3a2b-2ab2)
-(2mn-3m2+5n2)-(-mn+4m2+)
(3a3+a2b-4)-(a2b-2)
-4(x3-y3-)+2(x3-y3+)
8b2-(5a2+2b2)-6b2
4x+(x-5)-(-2)
-4(ab-3a2)+(3ab-a2)
5a2-(4ab-4a2)-6ab
-3(b+2)+3(-b+4)
(x2-y)-(x-y2)-(x2+y2)
-(-x+y)-(x-2y)
(5s+4)+3(s2-s+5)
-4(a2b-ab2+a3)+(-2a2b+2ab2)
-(5mn-4m2+5n2)+(-mn-2m2-)
(3a3-a2b+3)+(a2b+5)
-4(x3-y3-)-4(x3+y3-)
2b2-(a2-b2)+3b2
8x+(2x-5)-(+3)
-4(ab+2a2)-(ab-a2)
3a2+(2ab-a2)-6ab
-2(b-4)-4(-b-2)
(x2-y)+(x-y2)-(x2+y2)
-(-x+y)+(x-y)
(4s-2)+4(s2+s-2)
-3(a2b-ab2+a3)-(-3a2b-3ab2)
-(3mn+4m2+5n2)+(-mn+3m2-)
(4a3-a2b+2)+(a2b-6)
-3(x3+y3-)+3(x3+y3+)
8b2-(3a2+3b2)+2b2
2x+(4x-8)-(-4)
-4(ab-4a2)-(2ab-4a2)
a2-(2ab+a2)-8ab
-2(b-4)-3(-b-3)
(x2-y)+(x-y2)+(x2-y2)
(3s+3)+2(s2-s-2)
-4(a2b+ab2+a3)-(-4a2b+3ab2)
-(2mn+2m2-4n2)-(-mn+5m2+)
(4a3-a2b+2)+(a2b+1)
-4(x3-y3-)+3(x3-y3+)
6b2-(a2-5b2)-3b2
2x+(3x-7)-(+4)
-4(ab-4a2)+(ab-a2)
3a2+(ab-3a2)-6ab
-4(b-1)-3(-b-2)
(x2-y)+(x-y2)+(x2+y2)
-(-x+y)-(x-3y)
(3s-1)+2(s2-s+2)
-4(a2b-ab2+a3)-(-3a2b-4ab2)
-(5mn+4m2-3n2)-(-mn+4m2+)
(3a3-a2b+2)-(a2b-4)
-3(x3+y3-)-2(x3+y3+)
7b2-(4a2-5b2)-4b2
8x+(5x-7)-(+1)
-3(ab-a2)-(2ab-2a2)
6a2-(ab-5a2)-2ab
-4(b+2)-5(-b+3)
(x2-y)-(x-y2)-(x2-y2)
-(-x+3y)+(x-2y)
(6s+3)-2(s2+s-3)
-(a2b+ab2+a3)-(-2a2b+4ab2)
-(3mn+2m2+5n2)+(-mn-4m2+)
(3a3+a2b-5)-(a2b+3)
-4(x3-y3+)-2(x3+y3+)
5b2-(4a2+3b2)-3b2
x+(3x-7)-(-5)
-4(ab-5a2)-(3ab-2a2)
4a2+(ab-a2)-ab
-2(b-2)-2(-b+2)
(5s-3)-4(s2-s+3)
-3(a2b-ab2-a3)-(-4a2b+2ab2)
-(2mn+3m2-4n2)-(-mn+2m2+)
(a3-a2b+5)+(a2b-1)
-4(x3+y3+)-2(x3-y3-)