七年级数学上册合并同类项基础练习题220Word格式文档下载.docx
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6(-ab+9a)-(3a-2b)4(abc+2a)-9(3a-6abc)
3(xy-3z)-(-xy-5z)-9(pq+pr)+(6pq+pr)
-3n+(4n-1)n+(9n+2d)+(4d-n)
-9(9n+9)+4n6-(6m-7)+(2m-9)
3(-ab-8a)-(4a+6b)2(abc+7a)-2(2a-6abc)
7(xy-5z)-(-xy-3z)-3(pq+pr)-(9pq+pr)
-7x+(8x+5)7x-(6x+7d)-(3d-5x)
-4(9s-7)+9s4-(9a+10)-(4a+4)
4(-ab+5a)-(6a-6b)6(abc-9a)+7(7a+7abc)
4(xy+8z)-(-xy-8z)-5(pq+pr)+(7pq-pr)
6n-(7n-8)n+(7n-8p)+(2p-n)
-6(7t-9)-7t2+(3x-8)+(3x-4)
7(ab+2a)+(6a+2b)9(abc-9a)+6(4a+6abc)
7(xy+9z)-(-xy-8z)-8(pq-pr)-(5pq-pr)
-9m-(6m+8)m+(9m-5s)-(2s-m)
5(9s-1)+2s3-(3b-8)+(2b-7)
5(ab+3a)-(5a+9b)19(abc-9a)+6(2a-6abc)
9(xy-6z)+(-xy-6z)-7(pq-pr)+(6pq+pr)
-2a+(8a-9)6a+(7a-2s)+(8s-a)
-4(6m-10)+5m8-(6x-9)-(4x+6)
3(ab-3a)+(7a-9b)16(abc+4a)+6(3a-9abc)
6(xy+7z)-(-xy-7z)-2(pq+pr)-(9pq-pr)
-9m+(4m-6)8m+(3m+5z)+(5z-8m)
-7(5m-8)+2m1-(7y+7)-(4y-7)
2(-ab-2a)+(8a-9b)18(abc+8a)-4(2a-6abc)
5(xy-8z)+(-xy+7z)-4(pq+pr)+(3pq+pr)
4m-(8m+3)4m+(6m-3z)-(6z-m)
3(7b+2)-6b8-(4x+3)+(8x+5)
9(-ab-3a)-(3a+5b)17(abc-7a)-2(9a-5abc)
7(xy-6z)-(-xy-2z)-3(pq+pr)-(3pq-pr)
-3n-(7n+3)n-(6n+3d)+(6d-n)
-4(9n+2)-8n6+(3x+6)-(8x-7)
3(-ab+2a)+(5a+4b)15(abc+7a)-7(2a-2abc)
5(xy-6z)+(-xy-9z)-3(pq-pr)+(6pq-pr)
3b+(4b-6)b+(9b-3q)-(7q+6b)
-5(7t+2)+8t5-(3n+1)+(4n-4)
5(-ab-4a)+(5a+8b)15(abc+6a)-2(2a+6abc)
4(xy+7z)+(-xy-4z)-3(pq-pr)+(5pq-pr)
4a+(3a-3)a+(8a-9c)+(5c+a)
-3(8s+10)+5s4-(7y+9)-(8y+6)
4(-ab-8a)+(6a-8b)11(abc+4a)-9(3a+3abc)
8(xy+7z)-(-xy+9z)-3(pq-pr)-(7pq-pr)
2n+(7n-6)n+(8n-5p)-(6p+8n)
8(5n+9)+7n9+(5a+6)+(8a+3)
7(-ab+9a)-(8a+2b)16(abc-4a)-4(7a+7abc)
3(xy+4z)-(-xy-6z)-6(pq+pr)-(8pq+pr)
2x-(3x+8)x+(9x-3q)+(5q+x)
3(3s+3)+4s4-(4b+4)+(6b+4)
3(ab+7a)+(5a-5b)8(abc-4a)+3(8a-5abc)
4(xy+4z)+(-xy+3z)-3(pq+pr)-(9pq+pr)
-3m-(8m-9)8m+(6m+6s)-(9s+m)
2(3b+1)+9b10-(9a+1)-(4a+5)
3(ab-2a)+(9a+2b)17(abc+9a)-5(3a-7abc)
3(xy+2z)-(-xy-3z)-3(pq+pr)-(8pq+pr)
-7y-(9y+9)y-(6y+3s)+(3s+y)
-8(3n+10)-9n7-(6n+9)+(9n-9)
9(-ab+6a)+(8a+8b)16(abc+9a)-9(9a-7abc)
7(xy+5z)-(-xy+2z)-6(pq+pr)+(9pq-pr)
-5m-(4m-4)2m+(7m-9q)-(4q+2m)
8(5b-9)-6b2-(3y+8)+(6y-5)
9(-ab+2a)-(8a-5b)8(abc-9a)-6(7a+2abc)
7(xy-7z)-(-xy+2z)-4(pq-pr)+(3pq-pr)
7a-(4a-2)a-(2a+9p)-(5p-6a)
9(9m-4)+9m4+(6a+10)-(4a-5)
3(ab+2a)-(8a-5b)12(abc-5a)+5(5a+8abc)
4(xy+3z)-(-xy+3z)-9(pq+pr)-(3pq+pr)
-3a-(7a-7)a+(8a-8q)+(4q-a)
4(6b-7)-3b7-(7a+1)+(3a-6)
6(-ab-2a)+(2a-3b)19(abc-2a)+5(2a-4abc)
9(xy+9z)-(-xy-9z)-3(pq+pr)+(2pq+pr)
5n-(8n+9)n-(9n+7p)+(3p+3n)
-2(2t+5)-3t2-(4b+3)-(6b-2)
5(-ab-9a)-(3a+5b)2(abc+8a)-3(5a+8abc)
6(xy+3z)+(-xy+7z)-8(pq+pr)-(2pq-pr)
9n+(4n-9)4n-(6n+8p)+(2p+n)
3(2m-1)-7m6+(4b+3)-(8b+4)
4(ab+6a)+(2a+3b)8(abc-9a)-9(8a+6abc)
3(xy-2z)-(-xy-5z)-5(pq+pr)-(6pq+pr)
3b+(8b-2)b-(7b+6z)+(7z-b)
-5(8a-3)+7a10+(9n+3)-(4n-4)
9(ab+5a)-(4a-9b)20(abc-2a)+5(5a+7abc)
3(xy+4z)-(-xy-6z)-7(pq+pr)+(5pq+pr)