七年级数学上册合并同类项专项训练77.docx
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七年级数学上册合并同类项专项训练77
2b+(8b-2)b+(5b-8z)-(8z-b)
6(5t-9)+6t10+(9x-7)-(5x-1)
7(-ab-6a)+(9a+4b)11(abc+4a)-8(8a-8abc)
8(xy+2z)+(-xy-5z)-4(pq+pr)-(3pq+pr)
-3b+(6b-5)b+(2b-8p)+(8p-2b)
4(5b-1)+8b8+(3n+9)+(4n-8)
7(-ab+5a)-(4a-2b)7(abc-7a)+9(2a-4abc)
3(xy-5z)-(-xy-8z)-9(pq+pr)+(6pq-pr)
-5b+(5b-4)3b+(4b+4c)+(6c+b)
-2(7n-3)+6n3+(8a-8)-(2a+3)
6(-ab-8a)+(9a-4b)18(abc-8a)+3(4a+5abc)
6(xy-7z)-(-xy-7z)-2(pq+pr)+(4pq+pr)
-7n+(2n-8)n-(5n+3s)+(2s+n)
9(7t+5)-8t7+(6a+9)-(2a+3)
5(-ab+4a)+(8a+5b)16(abc+2a)+9(5a+4abc)
6(xy+4z)-(-xy-2z)-5(pq+pr)-(4pq+pr)
-9a-(7a+1)a+(3a-7s)+(9s+3a)
-8(3a-1)-8a5-(2n-5)+(5n+6)
7(ab-8a)+(2a-9b)11(abc-9a)+7(7a+6abc)
4(xy+9z)-(-xy-4z)-5(pq+pr)-(9pq-pr)
5n+(4n+4)n+(5n+3s)-(9s-5n)
4(3n+9)-4n6+(7m+1)-(2m+4)
3(ab+2a)+(9a-5b)20(abc+9a)-2(9a+8abc)
4(xy-3z)-(-xy+7z)-6(pq+pr)+(5pq-pr)
-2n+(4n+9)n+(7n+4z)-(3z-5n)
-4(5s-2)+7s3-(9y-2)+(3y+2)
7(-ab+2a)+(4a+9b)13(abc+5a)+2(2a+4abc)
2(xy-4z)-(-xy+5z)-6(pq-pr)-(5pq+pr)
4a+(9a+8)a+(8a+7z)+(4z+a)
-5(6m-9)-4m3+(6a-8)-(9a-2)
9(ab-4a)-(2a-6b)4(abc-8a)-5(5a+8abc)
4(xy-7z)-(-xy-7z)-9(pq-pr)+(5pq-pr)
-4b+(9b+5)b+(8b+2q)-(9q+b)
8(3t+6)+9t8-(8n+3)-(9n-1)
4(ab+7a)-(3a-7b)10(abc-8a)-6(9a+3abc)
6(xy+6z)-(-xy+3z)-9(pq-pr)-(3pq+pr)
-9x-(6x-6)x+(8x+2z)-(9z+6x)
-9(6t-1)+6t6-(4m-3)+(5m-6)
9(-ab-4a)-(8a+3b)3(abc-4a)+3(5a-3abc)
8(xy+3z)-(-xy+5z)-8(pq-pr)+(4pq+pr)
2y+(3y+6)3y-(8y+7q)-(6q-y)
-6(4s-9)+5s6+(8m+5)-(7m-6)
8(ab-3a)+(5a+7b)15(abc-3a)-7(9a+6abc)
2(xy+6z)-(-xy+4z)-6(pq+pr)-(8pq+pr)
-2a-(2a-6)a-(4a-3d)-(7d-2a)
-2(6s-9)-2s2-(8m-3)+(3m-4)
5(ab-9a)+(6a-7b)12(abc-4a)+8(8a-2abc)
6(xy-5z)-(-xy-7z)-6(pq-pr)+(9pq-pr)
-9b+(7b+6)8b-(8b+4d)-(9d-b)
2(5m-4)-7m4-(6b-8)+(7b+9)
5(ab+7a)+(9a+6b)19(abc+6a)-9(4a+5abc)
9(xy+8z)-(-xy-9z)-9(pq-pr)+(7pq+pr)
-3x-(9x-4)x-(2x-9c)-(5c-3x)
4(6b+6)+6b5-(2b+10)+(4b+3)
6(ab+6a)-(8a-9b)10(abc+2a)+7(7a-7abc)
9(xy+6z)+(-xy+3z)-9(pq+pr)-(2pq-pr)
-5b+(6b+3)4b-(5b+4p)-(7p-b)
4(9t-9)-2t7-(5x-3)+(6x-6)
6(-ab+4a)-(3a-9b)6(abc+9a)+2(6a+8abc)
5(xy+9z)-(-xy+6z)-7(pq+pr)-(4pq-pr)
7n+(8n-1)n+(8n+7c)+(6c-n)
-5(8t-6)-7t4+(2x-6)+(5x-6)
3(-ab+7a)-(7a+3b)9(abc+5a)+7(7a-9abc)
4(xy+2z)-(-xy-2z)-3(pq+pr)+(5pq+pr)
-5b-(3b+2)b+(4b-5d)+(8d-6b)
2(7b+6)-5b1-(3x-6)+(2x-10)
9(ab-5a)+(3a+8b)16(abc+9a)+3(7a-6abc)
3(xy+7z)-(-xy+3z)-8(pq+pr)-(6pq+pr)
-6y-(5y-2)9y-(6y+9z)-(5z+4y)
8(9a-9)+5a5-(6m+2)-(8m-7)
5(-ab+3a)-(4a-8b)18(abc-3a)-4(4a-9abc)
6(xy-6z)-(-xy-3z)-3(pq-pr)-(4pq+pr)
8x-(7x+3)x-(5x-5q)-(2q+x)
7(2n+9)+9n4+(2a+9)+(5a-5)
6(-ab+6a)-(5a-3b)10(abc+4a)+5(4a-9abc)
2(xy-2z)+(-xy-8z)-3(pq+pr)+(7pq+pr)
3x-(7x+8)x+(6x-8c)-(6c+2x)
4(8s-3)-9s7-(9b+5)+(7b+6)
7(-ab-2a)-(7a+8b)16(abc+5a)-4(8a-9abc)
4(xy-7z)-(-xy-7z)-3(pq-pr)+(6pq-pr)
-3n-(6n-4)5n-(7n+7q)+(3q-4n)
-4(8a-4)+2a10+(4x-3)-(8x+7)
2(ab-8a)+(4a-4b)20(abc+2a)-6(3a+7abc)
4(xy-3z)-(-xy-3z)-8(pq-pr)-(9pq+pr)
3a+(2a-4)a+(6a-7s)-(9s-3a)
-7(4b+7)+3b4+(4x+9)+(3x-2)
8(ab-5a)-(3a+3b)4(abc+5a)+5(7a+8abc)
9(xy+6z)+(-xy+8z)-3(pq-pr)-(8pq+pr)
-8y-(8y+1)9y-(9y-9p)+(8p-8y)
5(6s-6)-8s3-(3n+1)+(2n-6)
8(ab+6a)+(6a+5b)16(abc+9a)-7(3a+9abc)
5(xy-5z)+(-xy+3z)-5(pq-pr)-(3pq+pr)
-8n+(2n-5)n+(8n-9s)-(7s-7n)
9(5t+4)-2t6+(3x+5)+(2x-9)
3(ab-9a)+(9a-6b)17(abc+8a)+6(4a+6abc)
6(xy-5z)+(-xy+8z)-9(pq+pr)-(8pq+pr)
-7x-(2x+4)9x-(9x+5q)+(6q+2x)
-7(2a-2)+5a4+(4n+4)-(4n-10)
3(ab-5a)+(6a-6b)2(abc-4a)+5(2a+2abc)
8(xy-8z)+(-xy+7z)-4(pq+pr)-(8pq+pr)
3m-(9m-4)7m+(8m+4d)-(7d-m)
-6(5m+8)-6m7+(7n-7)-(2n-10)
4(ab-4a)-(8a-4b)16(abc-9a)-8(4a+9abc)
2(xy+3z)+(-xy-2z)-2(pq+pr)+(4pq+pr)
-4a+(9a+2)a+(8a-8z)+(2z+a)
-6(6t-5)-9t6+(6n+6)+(4n-1)
3(ab+6a)+(7a-6b)4(abc+8a)+9(3a+4abc)
9(xy-8z)-(-xy+2z)-8(pq-pr)+(6pq+pr)
2a+(2a-8)a+(7a-7z)+(9z+a)
8(5m-3)+2m2+(8a-4)+(4a+6)
8(-ab+4a)-(6a+3b)9(abc-7a)-5(4a-7abc)
4(xy-9z)-(-xy-3z)-2(pq+pr)-(9pq-pr)
-8n+(4n+4)n-(3n+5s)-(8s-n)
8(3a-10)+5a2-(3m+4)-(9m+2)
9(ab-5a)-(5a+5b)12(abc-3a)-2(4a+5abc)
2(xy+4z)+(-xy-8z)-5(pq+pr)-(7pq+pr)
7a-(8a+3)a+(3a+3q)+(6q+a)
5(6m-9)+5m9+(4a-6)-(4a+1)
4(-ab+5a)-(4a+4b)8(abc+6a)-3(2a+8abc)
5(xy-9z)-(-xy-9z)-6(pq-pr)+(5pq+pr)
-9m+(3m+4)m-(3m-7s)+(3s-m)
6(2b+9)+7b2+(2y-8)+(6y+3)
8(-ab+7a)+(6a-7b)15(abc-9a)+6(2a+8abc)
6(xy-3z)+(-xy+3z)-2(pq+pr)+(2pq+pr)
2y-(4y-9)y+(6y-8c)+(4c-5y)
-7(8s+4)-3s1-(6n+10)+(2n+4)
4(ab-3a)+(7a+8b)16(abc+8a)+8(3a+9abc)
2(xy+5z)-(-xy-7z)-9(pq+pr)-(5pq+pr)
4x-(3x+9)x-(3x+4d)-(9d-x)
-9(2t+7)+9t3-(7x+5)-(9x-7)
2(ab-3a)-(2a+9b)16(abc+5a)-4(7a+8abc)
3(xy+3z)-(-xy+2z)-8(pq-pr)-(9pq-pr)
9m-(7m+4)6m-(5m+4d)+(7d+m)
5(4t+10)-4t4+(4m+5)+(2m-5)
6(ab-9a)+(3a+5b)12(abc+7a)-9(4a-9abc)
7(xy+2z)-(-xy-9z)-3(pq-pr)-(7pq+pr)
-9y-(8y-7)2y-(2y+6z)+(4z-7y)
7(2a+5)+6a9-(8y-1)-(9y+9)
7(-ab-6a)+(2a+3b)15(abc+8a)-6(8a-8abc)
6(xy-3z)-(-xy+3z)-2(pq+pr)-(8pq-pr)
5y+(2y-7)y+(2y+4z)+(7z-9y)
2(2a+4)+9a5-(5x-5)+(2x+2)
6(-ab-9a)-(3a-5b)18(abc-9a)-6(4a+2abc)
4(xy+4z)+(-xy+9z)-2(pq+pr)-(9pq-pr)
-2b+(2b-8)8b+(4b+4z)+(7z-8b)
5(7s+1)-4s9-(6b-4)+(3b-4)
4(ab-7a)-(3a+3b)19(abc+9a)+5(2a-2abc)
4(xy+8z)+(-xy-3z)-5(pq+pr)+(2pq-pr)
-4a+(5a-8)8a-(5a-7d)-(9d+2a)
-7(4n+10)-3n2-(6m-8)-(5m-5)
9(ab+8a)+(7a-9b)2(abc-9a)-4(3a-3abc)
3(xy-5z)+(-xy+2z)-6(pq-pr)+(2pq+pr)
-7y+(8y+5)4y-(5y+8z)+(6z-7y)
-4(8b+8)+8b7-(9a-3)+(5a-2)
5(ab+8a)+(2a-5b)3(abc+9a)-6(9a-3abc)
3(xy+7z)-(-xy+8z)-3(pq+pr)-(7pq+pr)
2y-(5y+9)y+(2y+5s)-(3s-6y)
9(7b+9)+5b3-(6m-8)-(7m-10)
4(ab+4a)+(6a-3b)19(abc+6a)+8(2a-9abc)
6(xy-6z)-(-xy+2z)-2(pq+pr)+(3pq+pr)
8y-(4y+6)9y+(8y+5z)-(7z-8y)
-7(9m+7)-3m4+(5a-5)-(2a-3)
8(-ab-4a)+(2a-3b)20(abc-4a)+2(7a+9abc)
8(xy-6z)+(-xy-9z)-7(pq+pr)+(6pq+pr)
8n-(9n-9)9n-(2n-4c)-(4c+n)
-9(7m+8)+3m1-(6n-5)-(8n-4)
8(-ab+7a)-(3a-7b)20(abc-5a)-5(3a+2abc)
4(xy+5z)+(-xy+9z)-7(pq+pr)+(3pq-pr)
-9n-(4n+4)n-(6n-9d)+(5d+4n)
8(2m+7)-2m3+(3y+3)+(8y-6)
9(ab-8a)-(7a-4b)10(abc+2a)-8(7a-2abc)
6(xy+7z)+(-xy-5z)-3(pq-pr)+(8pq+pr)
-3x-(7x+8)6x+(7x+2d)+(8d+x)
-6(5m-3)-9m4-(7m-7)+(5m-2)
5(ab+7a)+(7a-3b)3(abc+6a)-4(2a-9abc)
6(xy-8z)+(-xy+7z)-3(pq+pr)-(7pq-pr)
6y+(6y+8)y-(7y-8z)-(7z-6y)
-7(3m+5)-6m5-(6a+1)-(6a+9)
3(ab-8a)-(2a+8b)20(abc-9a)+4(4a+5abc)
6(xy-2z)+(-xy-9z)-3(pq-pr)+(9pq-pr)
-2m-(5m-3)2m+(5m-5c)-(8c-m)
5(8n+8)-8n4+(4b+1)+(4b-5)
5(-ab-6a)+(5a-5b)15(abc+3a)-3(3a-4abc)
8(xy-4z)-(-xy+6z)-2(pq-pr)-(8pq-pr)
8a+(6a+8)7a+(2a-5q)+(7q-a)
2(4b-2)+2b1-(3m-10)-(3m+8)
5(-ab-3a)+(8a+2b)12(abc-6a)-3(8a-4abc)
3(xy-7z)-(-xy-9z)-2(pq-pr)+(7pq-pr)
7y+(4y+9)9y-(7y+7z)-(7z+y)
4(2t-3)-3t8-(2y-1)-(7y+8)
2(-ab-6a)-(8a+3b)19(abc+7a)-2(8a+3abc)
7(xy+9z)+(-xy-3z)-9(pq-pr)+(8pq+pr)
8m+(7m-3)8m+(8m-7c)-(6c-5m)
4(2s-7)+8s3+(7n-10)-(2n+1)
2(ab+7a)+(7a+9b)5(abc-8a)-4(9a+6abc)
9(xy+6z)+(-xy+6z)-2(pq+pr)-(3pq+pr)
8n+(5n-2)n+(2n-8q)-(4q-n)
-9(3t+1)-8t4-(2m-2)-(2m+2)
7(ab+4a)+(4a+5b)5(abc+8a)-3(7a-5abc)
5(xy+7z)-(-xy+7z)-2(pq-pr)-(6pq-pr)
7b-(6b+1)b+(6b-6z)+(6z-5b)
-6(8m-6)-5m10+(6a-5)+(4a-6)
8(-ab-5a)-(5a+8b)18(abc+9a)-3(7a-6abc)
9(xy+8z)-(-xy-9z)-5(pq+pr)-(2pq+pr)
2y+(3y-5)5y+(7y-4s)-(8s-7y)
2(9m-5)-2m3+(3y-6)-(2y+2)
4(ab-9a)+(7a-2b)10(abc+6a)-2(6a+3abc)
5(xy+5z)-(-xy+2z)-6(pq+pr)+(2pq-pr)
4a+(9a+1)a+(9a+8q)-(2q+9a)
5(4t+8)+3t7-(3m+9)+(6m-4)
5(-ab-6a)+(6a+4b)8(abc-5a)-3(9a+3abc)
3(xy+5z)+(-xy-3z)-9(pq+pr)+(7pq-pr)
-9b+(6b-5)b-(4b+2s)+(3s-b)
4(9a+8)+4a10+(6y-6)-(5y+6)
2(ab-5a)+(9a+6b)4(abc+2a)-2(9a+2abc)
7(xy+5z)+(-xy-3z)-6(pq-pr)+(3pq-pr)
3m-(4m+9)8m-(5m+4d)-(5d-m)
-8(6a-4)+3a2+(3n+3)+(3n-2)
3(ab+3a)+(2a-2b)20(abc+8a)-3(7a-2abc)
5(xy-5z)-(-xy-7z)-6(pq+pr)+(5pq-pr)
8x+(3x-9)x+(9x-6c)-(8c+x)
-3(5s+7)-9s9+(2x+6)-(2x+10)
4(-ab+7a)-(9a-7b)17(abc+8a)-7(8a+4abc)
8(xy+7z)+(-xy+7z)-4(pq-pr)-(7pq+pr)
-7m+(2m+9)6m+(9m+3z)-(2z+m)
-9(8a-3)+8a7-(5b-5)+(8b-3)
3(-ab-8a)-(6a+6b)13(abc+3a)-5(6a-5abc)
7(xy-3z)+(-xy-3z)-9(pq+pr)+(2pq-pr)
-6y-(6y+4)y+(7y+7q)+(3q+y)
-7(5n+3)-7n2-(7b-10)+(2b-1)
5(ab-6a)+(6a-5b)18(abc+7a)+8(3a+7abc)
6(xy+7z)+(-xy-5z)-5(pq-pr)-(5pq-pr)
-8y+(8y-1)y+(9y+9d)-(6d+y)
-6(4t+9)-3t6+(2m+4)-(7m-3)
7(-ab-6a)+(7a+4b)13(abc-5a)+3(6a-5abc)
5(xy+6z)-(-xy-5z)-2(pq+pr)+(3pq-pr)
-2a+(4a-3)a-(4a-8q)-(9q-4a)
-7(3a-7)-6a8+(6y+3)-(9y+6)
6(-ab+2a)-(9a-7b)19(abc+6a)+2(9a-2abc)
8(xy-9z)-(-xy+3z)-4(pq+pr)+(4pq+pr)