七年级数学上册合并同类项练习题精编230文档格式.docx
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-9(6a-10)+3a2+(5y+3)+(7y-10)
5(ab-5a)+(5a+2b)13(abc-7a)+5(3a+6abc)
5(xy-9z)+(-xy+9z)-5(pq-pr)+(9pq-pr)
9x-(2x-6)x-(5x+3s)-(5s+x)
4(2a-7)-8a9-(7b+7)+(8b-3)
8(ab+3a)+(2a-7b)3(abc+2a)-8(9a+8abc)
8(xy-8z)+(-xy-3z)-4(pq-pr)-(4pq+pr)
-5a+(4a-4)a+(4a-7d)+(3d+a)
-8(3s+5)-2s6+(5y+9)-(3y-6)
7(ab-9a)-(9a+7b)16(abc-2a)+3(3a-7abc)
6(xy-3z)+(-xy+5z)-7(pq-pr)-(4pq+pr)
-2a-(5a-3)5a-(4a-4p)+(8p-a)
7(2b+5)-2b1-(3a-6)+(8a+7)
5(-ab-5a)-(8a+4b)3(abc+5a)+8(9a+5abc)
6(xy+5z)+(-xy-9z)-5(pq+pr)+(5pq-pr)
-9n+(5n-8)2n+(3n+9c)+(5c+2n)
-3(2t+3)-4t1+(7a-7)+(2a-6)
3(-ab+3a)-(9a+9b)7(abc-5a)-9(6a+5abc)
4(xy+4z)-(-xy+2z)-7(pq+pr)-(6pq+pr)
3x-(5x-7)8x-(5x+5q)-(6q+x)
-3(4t+8)+7t6+(2a+1)+(6a-4)
5(ab-9a)+(2a+7b)5(abc-4a)-3(2a-8abc)
9(xy+6z)-(-xy-3z)-3(pq-pr)-(8pq+pr)
3n+(2n-6)n+(7n-3c)-(8c-n)
-7(9b+5)-5b9+(8a+10)+(8a-2)
7(-ab+4a)-(4a-8b)4(abc-9a)-3(5a+2abc)
8(xy-3z)+(-xy-3z)-6(pq-pr)-(7pq+pr)
-9m+(5m-5)5m-(3m-2p)-(9p+2m)
9(6a-6)-6a2+(4m+1)+(3m+1)
3(-ab+7a)-(8a-9b)3(abc-9a)-7(2a-3abc)
6(xy+3z)-(-xy-9z)-2(pq-pr)-(2pq+pr)
-9y-(5y+2)y-(5y+4z)-(8z-y)
3(4a+10)+4a3-(4y+3)-(7y-2)
3(-ab+5a)-(2a-3b)7(abc+7a)+9(2a-8abc)
2(xy+5z)+(-xy+7z)-9(pq-pr)-(7pq-pr)
-8n+(3n+4)n+(9n+8p)+(9p+n)
-3(2a+9)+6a6+(9m+2)+(5m+3)
3(-ab+9a)+(3a-9b)11(abc+3a)-5(3a+6abc)
6(xy+8z)+(-xy+3z)-8(pq+pr)+(3pq-pr)
-8a-(6a-2)a-(2a-2s)-(4s+2a)
-6(2s-6)+6s10+(4m-10)-(6m-9)
8(-ab+9a)-(9a-3b)3(abc+6a)+4(2a-7abc)
6(xy-8z)-(-xy+2z)-3(pq-pr)+(2pq-pr)
-7y+(5y+7)y+(5y+2p)-(2p+y)
-5(2a+9)-2a7+(7m-1)+(8m+6)
4(-ab+9a)+(8a-5b)4(abc+5a)-6(2a+3abc)
5(xy+7z)-(-xy-4z)-7(pq-pr)-(7pq-pr)
-5n-(3n-4)8n-(4n-9z)-(4z+8n)
8(6m+9)-6m3+(4b-2)+(3b+9)
5(ab+6a)+(8a-9b)7(abc+8a)+2(8a+4abc)
9(xy-5z)+(-xy-5z)-8(pq-pr)+(9pq-pr)
5n-(3n+8)n+(6n+9q)-(7q-2n)
7(7a-6)-5a4+(3a-3)-(2a-6)
5(ab-6a)+(9a-8b)15(abc-7a)+7(9a+9abc)
7(xy+2z)-(-xy-4z)-2(pq+pr)+(8pq+pr)
9m-(9m-5)9m-(6m+3z)-(7z-m)
-2(9n+1)-4n2-(5m+8)+(8m+10)
3(-ab+3a)-(7a+9b)6(abc-7a)+8(8a-8abc)
3(xy-9z)+(-xy+9z)-9(pq+pr)+(3pq+pr)
-9n-(9n+9)2n+(3n-8z)-(5z+n)
-2(2n+4)+2n8-(9n+3)-(2n-6)
5(ab+2a)+(5a-9b)7(abc+8a)-8(5a-7abc)
3(xy+7z)-(-xy-3z)-2(pq-pr)+(4pq-pr)
-5n+(3n+7)9n-(8n-8z)-(5z-3n)
-4(4a+9)-2a3-(2x+5)+(6x+5)
8(-ab+4a)-(2a+4b)11(abc+2a)-6(2a-7abc)
3(xy+4z)-(-xy+8z)-5(pq-pr)-(6pq+pr)
8y-(5y-5)y-(7y+7p)-(7p+7y)
8(2t+8)-4t6+(8m-8)-(5m-5)