七年级数学上册合并同类项练习题精编186Word文档格式.docx
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2(3n-10)+7n9+(5n+9)+(5n-5)
2(-ab-8a)-(5a-8b)19(abc-6a)+4(5a-9abc)
4(xy+6z)+(-xy+9z)-3(pq-pr)-(7pq-pr)
4m-(6m+3)m+(8m+4s)+(5s+m)
-6(2b-5)+6b4+(2a-10)-(3a+6)
2(-ab+3a)-(6a-8b)6(abc+8a)+3(9a+4abc)
4(xy+4z)-(-xy+2z)-2(pq-pr)-(2pq+pr)
-8n+(8n-8)n-(5n+5z)-(5z+9n)
-2(8n+5)-7n9-(9m-1)-(2m-6)
3(ab-3a)-(6a+9b)17(abc+6a)+8(5a+5abc)
7(xy-7z)-(-xy-8z)-4(pq+pr)+(2pq+pr)
-9n+(2n+7)n+(8n-7q)-(8q-n)
-9(5m-6)+4m3-(2x+9)+(2x-6)
6(-ab+5a)+(8a-8b)10(abc-2a)-3(5a-3abc)
4(xy+8z)-(-xy-7z)-6(pq-pr)-(4pq-pr)
-9b-(2b+6)b+(3b-7z)+(6z+b)
9(9n-7)+5n5-(7a-4)+(6a+8)
7(ab+3a)+(7a+7b)3(abc+5a)-2(6a-4abc)
4(xy+8z)+(-xy-5z)-2(pq+pr)+(7pq+pr)
-6x-(5x-1)x+(8x+2d)-(6d+9x)
3(9a-4)-2a10+(8n-4)+(9n+9)
6(-ab-9a)+(2a-6b)16(abc+4a)-4(3a-3abc)
6(xy+7z)+(-xy+4z)-2(pq-pr)+(9pq+pr)
2a+(6a-6)a-(9a-6c)-(8c+8a)
-4(5b+9)-5b7+(6b+7)-(2b+10)
5(-ab+2a)+(8a+4b)6(abc-6a)-5(6a-7abc)
9(xy+6z)+(-xy+8z)-9(pq+pr)+(8pq+pr)
7b+(9b+4)4b+(2b+8p)+(9p+7b)
-7(7n+4)-2n5-(5y-5)+(7y-9)
8(-ab+5a)+(6a-2b)4(abc+2a)+3(6a-5abc)
4(xy-4z)+(-xy-2z)-9(pq-pr)+(7pq+pr)
-4y+(4y-9)y+(9y+3s)+(9s-y)
5(8n+7)-9n7-(8b-7)+(7b+7)
2(-ab+2a)+(3a+6b)17(abc+5a)-8(4a-7abc)
4(xy-2z)-(-xy-4z)-8(pq-pr)+(7pq+pr)
8x+(4x+4)x+(3x+5d)-(9d-6x)
7(4a-3)-8a8-(6x+9)-(4x-9)
9(ab-2a)-(3a-3b)18(abc+9a)-2(9a+5abc)
4(xy+9z)+(-xy-8z)-8(pq+pr)+(7pq-pr)
-7y-(3y+4)4y-(9y+6s)-(4s+y)
6(8a+10)+8a3-(8x-1)+(5x+6)
8(-ab+2a)+(2a+7b)12(abc-7a)-9(7a-4abc)
2(xy+7z)-(-xy+8z)-3(pq-pr)-(2pq-pr)
5n-(9n+1)6n-(9n-4q)+(7q-n)
-8(7t-4)-8t2+(2b-3)-(7b+3)
9(ab+9a)-(4a+3b)18(abc+8a)-3(3a-3abc)
5(xy+4z)+(-xy-8z)-4(pq+pr)-(8pq-pr)
4b+(7b-3)b-(7b+9q)-(7q-5b)
4(7n+10)-2n10-(6a-6)-(5a-1)
4(-ab+8a)+(2a-2b)20(abc+9a)-2(3a+5abc)
2(xy+9z)-(-xy-4z)-3(pq-pr)+(4pq+pr)
3m-(8m+2)m-(6m-7q)+(2q+m)
-3(3a+3)+7a9-(7m+5)+(6m-3)
5(-ab+8a)+(6a-8b)5(abc-7a)-7(3a-6abc)
5(xy+8z)-(-xy+8z)-3(pq+pr)-(7pq-pr)
-8a+(8a-8)a-(2a-6z)+(8z-a)
5(4m-3)-9m2+(2n+7)-(4n+6)
2(ab-6a)-(4a-6b)15(abc-8a)+6(6a+6abc)
6(xy-4z)-(-xy-2z)-6(pq-pr)-(3pq+pr)
-6b-(3b-2)b-(9b+6s)+(7s+2b)
-6(8a-3)+4a7+(8x+3)+(2x+3)
6(ab-7a)-(3a-4b)11(abc-4a)-2(5a+5abc)
4(xy-8z)+(-xy-4z)-4(pq-pr)+(4pq-pr)
-9y+(6y-4)y+(6y-7c)-(4c+y)
7(5b-10)+7b10-(3b-5)+(9b+10)
5(-ab-8a)+(3a-2b)16(abc+8a)-5(5a+8abc)
2(xy+4z)+(-xy-3z)-8(pq-pr)+(7pq-pr)
-8y-(6y-8)6y+(2y-3q)-(3q+4y)
8(9a+6)+6a6-(8a+6)+(6a+7)