七年级数学下册计算题 85Word格式.docx
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(6s+6)-9(s2-s+6)
-6(a2b-ab2+ab2-a3)-(-9a2b+3ab2)
-(6mn-3m2+4n2)-(+mn+3m2-n2)
(a3+a2b+4)-(a2b-5)
-5(x3-y3+)-3(x3-y3+)
-(-x+3y)-(x-9y)
(5s-8)-7(s2+s+8)
-5(a2b-ab2+ab2+a3)-(-6a2b+2ab2)
-(3mn-4m2-4n2)+(+mn+7m2-n2)
(a3+a2b+9)-(a2b-4)
-(-x+9y)-(x-5y)
(7s-3)-7(s2+s-6)
-5(a2b-ab2+ab2-a3)+(-4a2b+2ab2)
-(4mn-3m2+4n2)-(+mn+4m2+n2)
(a3+a2b+3)-(a2b-9)
-6(x3-y3+)-5(x3-y3+)
-(-x+8y)+(x-4y)
(9s-4)-3(s2+s+7)
-7(a2b-ab2+ab2+a3)-(-9a2b+8ab2)
-(3mn-2m2-3n2)-(-mn+4m2-n2)
(a3+a2b+9)+(a2b-9)
-3(x3-y3+)+6(x3-y3+)
-(-x+3y)-(x-4y)
(7s+4)-8(s2-s+9)
-3(a2b-ab2+ab2-a3)-(-7a2b+8ab2)
-(2mn-3m2-4n2)-(-mn+7m2-n2)
(a3+a2b+2)-(a2b-5)
-6(x3-y3+)+4(x3-y3+)
-(-x+6y)-(x-10y)
(8s-2)-3(s2-s-9)
-3(a2b-ab2+ab2-a3)+(-8a2b+6ab2)
-(3mn-2m2+2n2)+(+mn+8m2+n2)
(a3+a2b+6)-(a2b-5)
-4(x3-y3+)+3(x3-y3+)
-(-x+9y)-(x-10y)
(4s+6)-5(s2-s+3)
-7(a2b-ab2+ab2+a3)+(-3a2b+5ab2)
-(2mn-3m2+4n2)+(+mn+3m2+n2)
(a3+a2b+7)+(a2b-4)
-6(x3-y3+)-6(x3-y3+)
-(-x+7y)+(x-2y)
(6s-7)-5(s2+s+6)
-5(a2b-ab2+ab2-a3)-(-7a2b+7ab2)
-(2mn-2m2+2n2)+(+mn+6m2+n2)
(a3+a2b+5)+(a2b-6)
-5(x3-y3+)+6(x3-y3+)
-(-x+5y)+(x-4y)
(8s+5)-9(s2+s-7)
-8(a2b-ab2+ab2+a3)+(-6a2b+6ab2)
-(4mn-4m2+3n2)-(-mn+4m2-n2)