七年级数学下册计算题 56.docx
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七年级数学下册计算题56
(a3+a2b+4)-(a2b-3)
-3(x3-y3+)+6(x3-y3+)
-(-x+2y)-(x-8y)
(9s+5)-4(s2+s+3)
-2(a2b-ab2+ab2-a3)-(-5a2b+4ab2)
-(6mn-2m2-2n2)+(+mn+8m2+n2)
(a3+a2b+8)-(a2b-5)
-5(x3-y3+)-4(x3-y3+)
-(-x+2y)-(x-5y)
(3s+1)-8(s2+s-9)
-5(a2b-ab2+ab2+a3)+(-8a2b+7ab2)
-(4mn-3m2-4n2)-(-mn+2m2+n2)
(a3+a2b+7)+(a2b-8)
-3(x3-y3+)+5(x3-y3+)
-(-x+7y)-(x-7y)
(6s-3)-3(s2+s-8)
-7(a2b-ab2+ab2+a3)-(-4a2b+3ab2)
-(6mn-4m2-2n2)-(+mn+9m2-n2)
(a3+a2b+9)-(a2b-3)
-5(x3-y3+)+4(x3-y3+)
-(-x+4y)+(x-4y)
(9s-6)-7(s2+s+7)
-6(a2b-ab2+ab2-a3)-(-3a2b+7ab2)
-(4mn-3m2-3n2)+(-mn+7m2-n2)
(a3+a2b+7)-(a2b-9)
-2(x3-y3+)+4(x3-y3+)
-(-x+10y)-(x-9y)
(4s+4)-6(s2-s+7)
-7(a2b-ab2+ab2+a3)-(-7a2b+5ab2)
-(2mn-2m2-3n2)-(-mn+6m2-n2)
(a3+a2b+6)+(a2b-7)
-3(x3-y3+)+6(x3-y3+)
-(-x+6y)+(x-3y)
(5s+9)-7(s2-s+4)
-6(a2b-ab2+ab2+a3)+(-5a2b+7ab2)
-(2mn-4m2+3n2)+(-mn+7m2+n2)
(a3+a2b+3)-(a2b-2)
-3(x3-y3+)-4(x3-y3+)
-(-x+3y)+(x-2y)
(8s-8)-7(s2+s+2)
-8(a2b-ab2+ab2+a3)+(-2a2b+6ab2)
-(5mn-4m2-4n2)-(-mn+7m2-n2)
(a3+a2b+3)-(a2b-3)
-5(x3-y3+)+4(x3-y3+)
-(-x+2y)+(x-8y)
(2s+4)-5(s2+s+3)
-4(a2b-ab2+ab2-a3)-(-2a2b+3ab2)
-(3mn-2m2-4n2)+(-mn+7m2-n2)
(a3+a2b+6)-(a2b-7)
-5(x3-y3+)+4(x3-y3+)
-(-x+2y)-(x-2y)
(6s-4)-5(s2-s+9)
-2(a2b-ab2+ab2-a3)-(-6a2b+8ab2)
-(5mn-4m2+4n2)+(+mn+3m2+n2)
(a3+a2b+1)+(a2b-7)