七年级数学上册合并同类项基础练习题253Word格式文档下载.docx
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6y-(7y-1)y+(8y+6s)-(7s-6y)
-3(3a+5)-8a6+(8a-2)-(4a-2)
4(-ab-4a)+(2a+8b)14(abc+3a)-2(7a-7abc)
5(xy-2z)-(-xy+9z)-5(pq+pr)+(9pq+pr)
-7b+(6b+7)2b+(8b-8z)+(4z+b)
-9(6n-7)-9n6+(3n-8)+(4n+8)
4(ab-2a)-(4a-6b)13(abc-6a)+6(9a+8abc)
7(xy+9z)+(-xy-9z)-8(pq+pr)+(9pq+pr)
-6n-(2n-7)6n+(7n-2d)+(5d-n)
7(6b-2)+9b10+(5x+6)-(9x-7)
3(ab+2a)+(5a-6b)17(abc+4a)+4(5a-4abc)
9(xy+9z)-(-xy+2z)-6(pq-pr)-(9pq-pr)
9m+(4m+5)m+(7m-8c)-(4c+6m)
6(9s-6)-7s7-(4a-1)-(2a-2)
7(-ab+4a)-(5a-4b)2(abc-2a)+9(4a-7abc)
2(xy+5z)-(-xy-5z)-4(pq+pr)-(6pq-pr)
6m-(2m+6)m+(6m-4p)-(8p+9m)
5(7b-10)-8b5-(2n-3)+(2n+4)
7(ab-6a)-(4a+8b)7(abc+5a)+4(6a+9abc)
6(xy+4z)-(-xy-6z)-6(pq-pr)+(8pq-pr)
7a-(3a+9)a+(3a+2s)-(6s+3a)
-8(9a+1)-6a4-(8a+2)-(7a+2)
4(ab+6a)+(8a-9b)10(abc-6a)-8(9a-3abc)
5(xy-5z)+(-xy+4z)-5(pq+pr)+(4pq+pr)
2y+(8y-4)9y-(7y-9p)+(9p+4y)
9(3t+3)-5t6+(6a-10)+(2a+3)
5(-ab+3a)-(6a-8b)13(abc+4a)-4(4a-4abc)
5(xy-8z)-(-xy+7z)-6(pq+pr)+(7pq-pr)
2a-(9a-7)9a-(3a-3z)+(3z+7a)
6(6n+7)-7n1+(3n+4)-(9n+2)
9(ab-4a)-(4a-8b)3(abc-2a)-2(7a-5abc)
9(xy-9z)+(-xy-6z)-4(pq+pr)-(9pq-pr)
9n-(5n-6)n-(3n+6d)+(9d-4n)
-6(2n-10)+3n10-(3n+8)+(6n-7)
6(ab+2a)+(4a-9b)14(abc+7a)-7(7a+6abc)
6(xy-9z)+(-xy+7z)-4(pq+pr)+(2pq-pr)
4a+(9a-1)7a+(5a-4z)+(2z+a)
-4(6b-1)-5b8-(2m+6)-(8m-8)
7(ab-5a)-(2a-3b)7(abc-8a)+5(3a+5abc)
4(xy-2z)-(-xy+4z)-9(pq-pr)+(8pq-pr)
-3b+(4b+4)b+(6b+3d)+(3d+b)
6(4t+3)-6t4+(8n+8)+(2n-7)
2(-ab+8a)+(9a-5b)12(abc+3a)-5(4a+5abc)
7(xy-6z)+(-xy+2z)-4(pq-pr)+(2pq+pr)
-3n+(7n-7)n-(9n-9p)-(4p+n)
9(9m-4)+9m9+(9m+5)+(5m+4)
3(-ab-7a)+(4a-6b)4(abc+7a)-4(7a-6abc)
7(xy+4z)-(-xy+5z)-8(pq-pr)-(2pq-pr)
-5y-(5y-9)7y-(8y+8p)+(2p+4y)
-2(5m-7)-7m4+(3n+8)+(2n-2)
3(-ab+7a)-(8a+8b)12(abc-5a)+8(4a+6abc)
6(xy+4z)-(-xy+3z)-9(pq+pr)-(6pq+pr)
8y-(3y-7)y-(4y-5s)-(3s+y)
6(2t+9)-7t10-(2n+3)-(7n+2)
7(ab+8a)-(4a-5b)3(abc-2a)+5(3a-5abc)
6(xy+9z)-(-xy+8z)-9(pq-pr)+(3pq-pr)
-7b-(2b+3)9b-(8b+7q)-(8q-5b)
-3(2s-7)+4s4-(3m+6)+(2m+7)
5(-ab-7a)-(2a-5b)16(abc+4a)-8(7a-2abc)
4(xy-7z)+(-xy+3z)-9(pq-pr)-(6pq+pr)
6y-(8y-9)9y-(8y+2d)-(5d+y)
-5(7s-6)-4s7+(6a-9)+(5a+1)
3(-ab-7a)+(2a-8b)9(abc-9a)+2(6a-8abc)
8(xy+8z)+(-xy+8z)-3(pq+pr)+(7pq-pr)
2x-(3x-2)8x+(6x-7p)+(3p-9x)
-4(6a-10)-4a6+(9b-6)+(7b-2)
5(ab+2a)-(3a-2b)19(abc-5a)+8(3a+7abc)
6(xy-6z)+(-xy-5z)-7(pq+pr)-(5pq+pr)
-8x+(6x+1)x-(6x+4c)+(6c+6x)
8(7t+2)+6t5+(9x+8)-(4x+4)
9(ab-4a)-(6a-3b)15(abc-8a)+9(6a+3abc)
2(xy-2z)+(-xy+3z)-8(pq+pr)-(5pq-pr)
6n-(7n-2)8n+(5n+7s)-(8s+n)
6(5s-10)+8s7+(2a+8)-(4a+4)
3(ab+5a)+(7a-9b)7(abc+5a)-7(8a-5abc)
3(xy+4z)-(-xy-8z)-6(pq-pr)-(6pq-pr)
-6a+(9a-9)a-(2a+4s)-(9s-7a)
9(9s-6)+6s3+(6n+7)-(7n-9)
5(-ab-3a)+(9a-9b)11(abc+9a)-9(8a+7abc)
9(xy+4z)-(-xy+5z)-5(pq-pr)+(6pq-pr)
-9a+(2a+8)9a+(9a-2p)-(5p-a)
-2(6m+10)-9m4+(5b-6)+(3b+4)