七年级数学上册合并同类项基础练习题242文档格式.docx
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3(-ab+5a)+(7a-8b)9(abc-5a)+7(3a-6abc)
7(xy+4z)-(-xy+7z)-4(pq+pr)-(9pq-pr)
8y-(5y+3)y-(8y+9p)-(9p-9y)
8(3a-5)-7a8+(8b-5)-(3b+2)
9(ab-3a)-(2a+8b)6(abc+5a)-2(7a-6abc)
5(xy-8z)-(-xy+8z)-9(pq+pr)+(7pq+pr)
-7b-(3b-7)b+(6b+6s)-(7s-b)
5(9b+8)-2b6-(8n-1)-(8n-1)
7(-ab+8a)+(4a+4b)14(abc+5a)+8(7a-9abc)
3(xy+9z)+(-xy-9z)-8(pq+pr)-(7pq-pr)
3m+(8m+1)2m+(2m-9q)-(9q-6m)
8(6b+9)-3b2-(5n-2)+(2n+8)
2(ab-8a)-(2a+6b)20(abc-8a)-5(2a-3abc)
6(xy-4z)+(-xy+6z)-8(pq+pr)+(7pq-pr)
8y-(4y-4)y+(6y+2d)+(4d-3y)
5(5n+3)-4n5-(3a-8)+(7a-8)
7(ab+9a)-(4a+3b)9(abc-4a)+2(8a-3abc)
4(xy+8z)-(-xy-7z)-5(pq+pr)+(3pq-pr)
-9m-(7m+5)m-(3m-7d)-(5d+m)
3(2a-6)-2a3+(9x+5)+(5x-1)
2(ab+7a)+(9a-2b)4(abc-3a)+3(2a+5abc)
8(xy+6z)+(-xy-7z)-7(pq-pr)+(6pq-pr)
7n-(2n-3)n+(2n-4c)+(2c+n)
-6(4t-6)-6t7-(5b-2)-(9b+7)
3(-ab+9a)+(3a-6b)2(abc-3a)-7(9a+2abc)
7(xy+3z)+(-xy+8z)-9(pq+pr)-(7pq+pr)
9m+(7m+7)m-(6m+2c)-(9c+m)
8(4s-9)+7s1-(6a-1)+(7a+5)
7(ab-4a)-(5a+6b)18(abc+3a)+2(2a-7abc)
6(xy+3z)+(-xy-2z)-3(pq+pr)+(3pq+pr)
2b-(5b+9)b+(9b+3d)+(6d-b)
-5(9n-7)+9n3-(4n+7)-(4n-9)
8(-ab-3a)-(3a+3b)20(abc-2a)-8(4a+6abc)
4(xy-8z)+(-xy-4z)-2(pq+pr)+(6pq+pr)
9m+(6m-7)2m-(5m-7c)-(3c+m)
4(4t-5)-9t10-(5y-9)+(2y+5)
3(ab+2a)+(2a-8b)19(abc+3a)-3(3a-3abc)
8(xy-3z)-(-xy+6z)-5(pq-pr)-(3pq+pr)
-7x+(5x-9)6x+(8x-9d)+(7d-6x)
6(3t-9)-3t4-(5y-4)+(6y+9)
8(-ab-8a)+(9a-6b)7(abc+8a)-7(6a-6abc)
5(xy+7z)-(-xy+2z)-2(pq+pr)+(4pq-pr)
-6x+(9x+2)x+(6x-7q)-(4q-3x)
3(4n-6)+6n4-(8n+8)-(2n-7)
2(-ab-6a)+(6a+6b)6(abc-7a)+7(2a-2abc)
3(xy-5z)-(-xy-7z)-8(pq+pr)-(6pq+pr)
-2x+(2x+2)x-(3x+4q)+(9q-x)
9(8n+8)+7n9-(9x+2)+(5x-5)
5(-ab-7a)-(3a+9b)6(abc+4a)+4(8a-4abc)
3(xy+8z)+(-xy+2z)-9(pq-pr)-(4pq-pr)
-8n+(3n-8)9n+(7n+2s)-(6s-5n)
6(2n-5)-5n1+(4x-4)-(5x+1)
6(ab-3a)+(7a-6b)17(abc-5a)+2(5a+9abc)
4(xy+3z)+(-xy-4z)-2(pq+pr)+(2pq+pr)
-8a-(6a-1)3a-(9a+6q)-(4q+9a)
3(3m+1)-2m5+(5n-7)-(7n+5)
6(-ab-7a)-(2a+2b)4(abc-9a)-6(3a+2abc)
9(xy+6z)+(-xy+5z)-4(pq-pr)-(2pq-pr)
-3b+(3b-4)2b+(3b-6q)-(6q+6b)
6(7t+10)+7t8-(3b+4)+(2b+6)
3(ab+8a)-(4a+4b)6(abc-3a)-9(4a-7abc)
6(xy+5z)-(-xy+6z)-3(pq+pr)+(3pq+pr)
5m+(6m-7)4m+(4m+8c)+(8c+6m)
3(2a-1)-7a7+(3y+5)+(3y+2)
8(-ab+8a)+(9a+9b)17(abc-2a)+4(8a-6abc)
7(xy+4z)+(-xy-8z)-7(pq-pr)+(7pq-pr)
5b-(3b+5)2b+(7b-4c)-(5c+b)
-3(8t-2)-8t1+(8m-4)+(6m+3)
2(ab-5a)-(7a-4b)13(abc-6a)-9(7a+2abc)
8(xy-5z)-(-xy-3z)-6(pq-pr)+(2pq-pr)
-6a+(9a-4)8a-(7a-2z)-(5z-5a)
-7(7b-4)+2b4-(8m+1)-(3m+3)
2(ab+8a)+(9a-9b)17(abc-5a)-4(9a-5abc)
7(xy+3z)+(-xy+7z)-4(pq-pr)-(2pq+pr)
7a-(9a-2)7a-(5a-4s)+(6s+a)
-3(5t+3)+8t6+(5b+1)-(5b+4)
4(ab+6a)+(3a-8b)5(abc-9a)+3(5a-9abc)
2(xy-9z)+(-xy-9z)-4(pq-pr)+(8pq-pr)
3a+(2a-3)a-(6a+4p)-(4p-6a)
-7(9t-7)-6t1+(6a-10)-(8a-9)
5(-ab+8a)+(4a+3b)10(abc+3a)+9(7a-2abc)
2(xy+3z)+(-xy+3z)-3(pq+pr)+(7pq+pr)