七年级数学上册计算题专项练习 97Word文件下载.docx
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(5s+4)+3(s2-s+4)
-2(a2b+ab2-a3)-(-2a2b+3ab2)
-(4mn-5m2+5n2)-(-mn+3m2+)
(3a3+a2b-1)-(a2b-3)
-3(x3+y3+)-4(x3-y3+)
5b2-(5a2+5b2)+5b2
5x+(4x-6)-(-3)
-3(ab+2a2)-(ab-3a2)
2a2+(ab+4a2)-2ab
-4(b-4)+5(-b-3)
(x2-y)-(x-y2)+(x2-y2)
-(-x+2y)+(x-y)
(3s-2)+3(s2+s-5)
-2(a2b-ab2-a3)+(-4a2b+3ab2)
-(2mn+5m2-4n2)-(-mn+4m2+)
(4a3+a2b+1)+(a2b+4)
-3(x3+y3-)+3(x3-y3+)
6b2-(a2+2b2)-b2
8x+(4x-1)-(+5)
-3(ab+5a2)+(4ab-a2)
a2+(2ab+2a2)-5ab
-4(b-1)+4(-b-2)
(5s-2)-4(s2-s+3)
-4(a2b-ab2+a3)+(-4a2b-3ab2)
-(2mn-5m2-2n2)-(-mn+2m2+)
(a3+a2b-5)-(a2b+3)
-3(x3+y3-)+3(x3+y3+)
6b2-(2a2-6b2)-6b2
8x+(4x-5)-(-1)
-4(ab+4a2)+(5ab-4a2)
6a2-(4ab-4a2)-5ab
-4(b-2)+2(-b-4)
-(-x+2y)-(x-2y)
(2s+3)-4(s2-s+4)
-4(a2b+ab2+a3)-(-4a2b-3ab2)
-(4mn+2m2-5n2)+(-mn+3m2+)
(2a3-a2b-5)-(a2b+1)
-3(x3-y3-)+3(x3-y3+)
5b2-(5a2+2b2)+2b2
5x+(x-2)-(+5)
-(ab-4a2)-(ab-a2)
3a2-(3ab-6a2)-8ab
-2(b-1)-2(-b-4)
-(-x+4y)-(x-4y)
(3s-3)-4(s2+s-3)
-(a2b+ab2+a3)+(-2a2b+3ab2)
-(5mn-4m2-4n2)-(-mn+3m2+)
(a3-a2b+1)+(a2b-4)
-2(x3+y3-)+4(x3-y3-)
8b2-(a2+5b2)+6b2
7x+(2x-7)-(-2)
-3(ab-2a2)-(2ab-2a2)
2a2-(ab-4a2)-7ab
-4(b-1)+4(-b+3)
(x2-y)-(x-y2)+(x2+y2)
-(-x+4y)-(x-y)
(2s+1)+4(s2+s-4)
-2(a2b+ab2+a3)+(-2a2b-2ab2)
-(5mn-4m2-5n2)-(-mn+4m2-)
(4a3-a2b+1)-(a2b-5)
-3(x3+y3+)-2(x3+y3-)
6b2-(3a2-3b2)+5b2
9x+(4x-2)-(-5)
-2(ab-3a2)+(6ab-a2)
5a2+(4ab-3a2)-ab
-3(b-3)-4(-b-4)
(x2-y)+(x-y2)+(x2-y2)
-(-x+3y)-(x-4y)
(6s-2)+3(s2+s-5)
-3(a2b+ab2+a3)+(-2a2b+4ab2)
-(4mn-2m2+2n2)-(-mn+3m2+)
(4a3+a2b+4)-(a2b+1)
-2(x3+y3-)+3(x3+y3-)