七年级数学上册合并同类项练习题精编400Word格式文档下载.docx
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7(xy-2z)+(-xy-2z)-8(pq+pr)-(4pq+pr)
-9n+(9n-3)3n+(2n+6c)-(9c-3n)
4(4m+4)+6m6-(8a+7)-(9a-2)
2(-ab+5a)+(8a-9b)5(abc+2a)+3(2a-4abc)
5(xy+9z)-(-xy+2z)-6(pq+pr)-(9pq-pr)
-7n+(3n-2)n-(6n-9c)+(3c-n)
8(9b-10)+7b9+(4b+7)-(8b+9)
8(-ab-4a)+(6a-4b)9(abc+5a)+8(7a-7abc)
5(xy-4z)-(-xy-2z)-6(pq-pr)+(8pq-pr)
-8x+(6x+1)x+(2x+9s)-(5s-9x)
3(3m+6)-9m6-(8n-7)-(4n-2)
5(ab+9a)-(3a-6b)4(abc-3a)-9(2a-3abc)
6(xy-2z)-(-xy-2z)-4(pq+pr)+(9pq-pr)
-7b+(2b-5)5b-(3b-5d)-(3d+5b)
8(8s+9)-8s7-(4x+6)+(9x+2)
7(-ab+8a)-(2a-5b)7(abc+7a)+6(6a-5abc)
6(xy-4z)-(-xy+4z)-8(pq+pr)+(4pq-pr)
-4a+(7a+3)a+(8a+8d)-(2d+a)
3(9s+5)+6s3-(8a-5)-(6a+8)
8(-ab+8a)+(9a-8b)5(abc+7a)+6(4a+5abc)
7(xy+3z)-(-xy-9z)-5(pq-pr)+(2pq-pr)
-3m-(7m+7)m+(8m-8c)+(7c-6m)
-4(6n+9)+9n10+(2a-10)-(6a-7)
7(-ab+9a)+(8a-2b)8(abc-4a)+5(8a+5abc)
8(xy-5z)-(-xy-5z)-8(pq+pr)+(2pq+pr)
2y-(9y-2)5y+(2y-3d)-(7d-2y)
-7(6a-8)+8a1-(8b-4)-(7b-8)
7(ab+6a)-(8a-6b)8(abc+6a)-3(4a-8abc)
6(xy-8z)+(-xy+5z)-8(pq+pr)-(3pq+pr)
-5n+(9n-9)8n+(7n-6p)-(7p+n)
9(4a-1)+9a5-(8a+7)+(5a-2)
5(-ab+7a)-(7a-3b)4(abc+3a)+3(4a-9abc)
6(xy-9z)-(-xy-7z)-2(pq+pr)+(6pq-pr)
7m+(5m-7)2m+(7m-8c)+(6c-m)
9(9m+2)+9m4+(7m+10)-(6m-4)
7(-ab+8a)+(4a-8b)15(abc+4a)+2(3a-9abc)
7(xy+5z)-(-xy+3z)-9(pq+pr)+(6pq+pr)
-6m-(8m-5)m-(3m-3z)+(7z-m)
9(4s+9)+3s2+(9b+4)-(6b-9)
5(-ab-9a)-(2a-5b)14(abc+7a)-3(3a+8abc)
5(xy+8z)+(-xy+7z)-5(pq-pr)-(2pq+pr)
4x-(3x-7)3x+(6x-6p)+(6p-9x)
5(6b+8)-8b5+(3m-1)-(7m-9)
2(-ab-2a)-(8a+8b)12(abc-8a)+7(2a+7abc)
3(xy+6z)+(-xy+9z)-8(pq+pr)-(6pq+pr)
3b-(6b+3)b-(7b-3c)+(8c+5b)
4(9t+8)+4t7+(8x-1)-(5x+7)
9(-ab+8a)-(4a+2b)16(abc-3a)-2(8a+9abc)
6(xy-9z)-(-xy-5z)-6(pq+pr)-(8pq-pr)
-9n+(3n+9)2n+(6n-5z)-(9z-2n)
7(7n-6)-5n5+(3m-6)-(6m-7)
2(-ab+6a)-(7a+5b)4(abc-7a)+2(4a+6abc)
6(xy-4z)-(-xy-3z)-5(pq-pr)+(8pq-pr)
4m+(5m-1)m-(2m-9d)+(7d-3m)
-9(2m-3)-5m7-(9m+6)-(5m-7)
9(ab-8a)+(9a+6b)12(abc-9a)+8(9a+2abc)
9(xy-3z)-(-xy+4z)-6(pq+pr)-(9pq-pr)
3b+(2b+9)5b-(5b-9d)+(9d+b)
4(9b+4)+4b7+(4m+6)-(7m+1)
6(ab+4a)-(6a+2b)15(abc-3a)-6(3a+3abc)
9(xy-2z)-(-xy+4z)-9(pq+pr)+(5pq+pr)
6y+(5y+6)y-(9y+6s)-(5s-5y)
-8(9m+1)-6m7-(3a+2)+(8a-9)
9(-ab+9a)-(7a+5b)15(abc+8a)+4(7a+7abc)
5(xy-9z)-(-xy+8z)-7(pq-pr)+(8pq+pr)
-8m+(4m-6)8m+(4m-8q)-(3q-m)
-7(6s-4)-9s10+(3x-10)+(2x+7)
3(-ab-8a)-(5a+3b)11(abc-6a)+4(8a-5abc)
4(xy-6z)-(-xy+2z)-7(pq+pr)-(8pq-pr)