七年级数学下册计算题 50Word文档格式.docx
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-2(a2b-ab2+ab2+a3)+(-2a2b+6ab2)
-(2mn-4m2-3n2)+(+mn+3m2+n2)
(a3+a2b+8)+(a2b-3)
-5(x3-y3+)+6(x3-y3+)
-(-x+4y)-(x-5y)
(8s+6)-7(s2+s+5)
-6(a2b-ab2+ab2+a3)-(-6a2b+3ab2)
-(2mn-2m2+3n2)+(-mn+5m2-n2)
(a3+a2b+8)-(a2b-4)
-5(x3-y3+)+5(x3-y3+)
-(-x+9y)+(x-6y)
(7s+3)-7(s2+s-5)
-6(a2b-ab2+ab2+a3)-(-6a2b+7ab2)
-(6mn-3m2-4n2)+(+mn+6m2+n2)
(a3+a2b+2)+(a2b-5)
-6(x3-y3+)-6(x3-y3+)
-(-x+10y)-(x-3y)
(8s-2)-8(s2+s+6)
-9(a2b-ab2+ab2-a3)+(-5a2b+6ab2)
-(4mn-3m2+2n2)-(-mn+5m2-n2)
(a3+a2b+9)+(a2b-9)
-4(x3-y3+)-5(x3-y3+)
-(-x+6y)+(x-9y)
(9s+3)-9(s2+s+4)
-5(a2b-ab2+ab2+a3)+(-8a2b+8ab2)
-(4mn-3m2-4n2)+(+mn+5m2+n2)
(a3+a2b+1)-(a2b-5)
-3(x3-y3+)-5(x3-y3+)
-(-x+8y)-(x-5y)
(2s-1)-4(s2+s-5)
-8(a2b-ab2+ab2+a3)-(-4a2b+6ab2)
-(6mn-3m2-3n2)+(-mn+9m2+n2)
(a3+a2b+5)+(a2b-2)
-5(x3-y3+)-5(x3-y3+)
-(-x+7y)-(x-7y)
(4s-9)-9(s2+s+6)
-7(a2b-ab2+ab2-a3)-(-4a2b+2ab2)
-(2mn-2m2-4n2)-(+mn+5m2+n2)
(a3+a2b+6)+(a2b-5)
-(-x+3y)-(x-8y)
(4s+4)-8(s2+s-3)
-3(a2b-ab2+ab2-a3)+(-5a2b+3ab2)
-(4mn-3m2-3n2)+(-mn+4m2-n2)
(a3+a2b+9)-(a2b-7)
-(-x+9y)-(x-8y)
(3s-5)-9(s2+s+4)
-6(a2b-ab2+ab2+a3)+(-4a2b+3ab2)
-(3mn-4m2+2n2)-(-mn+9m2-n2)
(a3+a2b+1)-(a2b-6)