七年级数学上册合并同类项练习题精编85Word格式文档下载.docx
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9(ab-3a)+(9a+5b)4(abc+9a)+2(4a-8abc)
6(xy-9z)-(-xy+6z)-2(pq-pr)-(9pq-pr)
2a-(6a-1)a+(3a-7z)-(9z-3a)
-8(5m-1)+4m9-(3n-7)-(9n+9)
7(-ab+5a)+(6a+9b)16(abc+5a)-6(3a-3abc)
8(xy-6z)-(-xy+5z)-8(pq+pr)-(9pq+pr)
-9n+(8n+1)n-(2n+2s)-(2s+7n)
-7(7s+4)+3s6-(2b+9)-(7b-5)
7(-ab-7a)-(2a-3b)5(abc+9a)-2(3a+9abc)
5(xy+6z)-(-xy+7z)-3(pq+pr)+(7pq+pr)
-5x-(2x-8)6x-(8x-2d)-(6d+x)
-6(8t-3)+7t9+(9y+4)+(2y+5)
9(-ab-5a)+(5a+3b)6(abc-6a)+6(8a+7abc)
4(xy+4z)+(-xy+2z)-7(pq-pr)+(8pq-pr)
8a+(8a+7)a-(3a+8s)+(4s+a)
7(3a+2)+4a6+(9m+4)-(5m-7)
8(-ab+9a)+(4a+8b)14(abc-4a)-3(8a+8abc)
6(xy-4z)+(-xy-4z)-7(pq-pr)+(7pq+pr)
9a-(7a+9)7a+(7a+5s)-(3s-a)
6(4a+6)+7a5-(9m+2)+(8m-10)
9(ab+3a)-(8a+3b)17(abc-5a)+8(3a-2abc)
2(xy+2z)-(-xy+4z)-8(pq+pr)+(6pq+pr)
8a+(8a-6)a-(7a+3q)-(4q-a)
3(2s+1)-7s8+(9m+7)-(8m-9)
7(-ab-6a)+(2a-8b)12(abc+2a)-3(8a-2abc)
7(xy-9z)-(-xy-7z)-5(pq-pr)-(6pq+pr)
5n-(5n-6)2n+(4n+9s)+(7s+n)
-2(5m-4)+4m4+(2y+2)-(8y-7)
4(-ab-8a)+(4a+4b)12(abc-3a)-7(7a-2abc)
7(xy-2z)+(-xy+8z)-4(pq+pr)+(8pq-pr)
-4m-(7m+4)4m-(4m+4p)-(9p-m)
-6(7b+8)+7b3+(6y-10)-(8y-7)
2(ab-9a)-(4a+3b)20(abc+5a)+5(8a-3abc)
9(xy-2z)-(-xy+3z)-4(pq-pr)+(9pq-pr)
-4a+(4a-9)a+(7a-6c)-(4c+a)
-3(6m+1)+6m8-(8n+3)+(8n+5)
6(-ab-7a)+(9a+9b)12(abc+5a)+7(7a-5abc)
4(xy+6z)+(-xy+8z)-5(pq-pr)-(8pq+pr)
3m+(4m-7)m-(8m-9d)-(3d-4m)
-4(4t-5)-9t9-(7m-1)-(9m+8)
7(ab+6a)+(3a-6b)16(abc+7a)+8(8a+4abc)
2(xy+7z)-(-xy+6z)-5(pq-pr)+(4pq-pr)
-2n-(7n+5)7n-(8n+6c)-(8c-9n)
2(2b+1)+6b8-(5x-5)+(3x-8)
3(-ab-3a)-(9a-4b)14(abc+8a)+4(9a-8abc)
9(xy+2z)-(-xy-6z)-6(pq-pr)-(8pq+pr)
-7b+(9b-6)b+(3b+6z)-(4z-8b)
7(9a-5)+4a6+(7y-2)+(7y-7)
7(-ab+2a)+(9a-4b)19(abc-3a)+6(3a+2abc)
4(xy+8z)-(-xy-7z)-9(pq-pr)+(4pq-pr)
4x+(2x+7)8x+(6x-7q)+(6q+x)
3(4n-10)-6n4-(4y-9)+(7y-8)
3(ab+9a)+(9a+7b)20(abc-9a)-6(5a+6abc)
8(xy-7z)+(-xy-8z)-7(pq-pr)+(9pq+pr)
3m+(9m+7)8m+(3m-6z)+(9z+7m)
-2(9m-6)-4m5+(8n-6)-(6n-6)
9(ab-9a)+(3a+7b)5(abc+8a)-6(7a-6abc)
4(xy+8z)+(-xy-4z)-8(pq-pr)+(3pq+pr)
-5x-(5x+1)6x-(9x-2d)-(5d+8x)
9(4s+2)-9s6+(3n-5)-(7n+3)
3(ab+3a)-(9a-9b)5(abc+4a)-2(4a+3abc)
5(xy-3z)+(-xy+2z)-8(pq-pr)+(2pq+pr)
9a-(4a-3)a+(3a-3q)+(5q+2a)
4(5n-1)-7n7-(3y+1)+(3y+4)
8(ab-6a)+(4a+3b)19(abc-5a)-8(8a-6abc)
8(xy-7z)+(-xy+7z)-6(pq+pr)-(6pq+pr)
3b+(7b+2)7b+(7b-2c)+(8c-b)
-9(3n+5)+2n2-(2a+6)+(5a+1)
3(-ab-7a)+(9a-3b)9(abc-5a)-4(7a+2abc)