七年级数学上册合并同类项练习题精编376Word文档下载推荐.docx
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2(xy+4z)+(-xy-9z)-9(pq+pr)-(3pq-pr)
6y+(9y+5)4y-(7y-8q)+(5q-y)
-8(9s-10)+8s10+(5b-8)+(4b-6)
2(-ab-9a)+(7a-5b)6(abc-9a)+2(9a+6abc)
3(xy+3z)+(-xy+6z)-5(pq-pr)-(9pq+pr)
-2a-(4a+1)4a-(6a+6c)-(2c-a)
-7(5b+3)+9b7-(4n-6)-(3n-10)
4(ab+8a)+(8a-5b)7(abc+7a)+5(8a-7abc)
7(xy-3z)+(-xy-7z)-5(pq-pr)+(7pq-pr)
-7m-(8m-1)m+(3m+3s)-(3s-2m)
-4(2n-1)-2n10+(9b+5)-(4b+2)
7(-ab+8a)+(2a+6b)17(abc+5a)-4(7a-6abc)
3(xy+2z)-(-xy+2z)-7(pq-pr)+(4pq-pr)
8m+(5m-2)m+(2m-9d)+(7d+m)
-2(6b+9)+8b5-(4a-7)+(3a-9)
8(ab-9a)-(6a-8b)12(abc-4a)+4(5a-7abc)
6(xy+6z)+(-xy+8z)-5(pq+pr)+(7pq+pr)
-8a+(6a+7)8a-(3a+7c)-(2c-a)
6(3a+8)+5a1-(3b+1)+(3b-1)
3(-ab-2a)+(9a-7b)6(abc+2a)+9(6a+2abc)
6(xy+6z)+(-xy+5z)-9(pq-pr)-(4pq-pr)
7n+(8n-1)6n+(5n-9c)+(5c-3n)
-7(6t-5)+4t4-(9b-8)+(3b+7)
6(-ab+5a)+(3a+8b)11(abc-6a)+5(6a-8abc)
6(xy+3z)-(-xy+6z)-4(pq-pr)-(7pq-pr)
7m+(9m+1)m+(5m-5p)+(4p+m)
7(2n+10)+2n1+(9m+8)+(2m+8)
3(ab+5a)-(5a+5b)12(abc-7a)-4(2a-3abc)
9(xy-5z)+(-xy-4z)-4(pq-pr)-(2pq+pr)
-3m+(6m-7)m-(9m-5s)-(6s-m)
-9(2n-3)+4n6+(7n+2)-(8n+3)
3(ab-8a)+(5a+2b)12(abc-9a)+5(4a+7abc)
9(xy+4z)+(-xy+8z)-6(pq-pr)+(2pq-pr)
2b-(8b-9)b+(8b-8s)-(9s-2b)
2(6b-5)-8b1+(7m+4)+(9m+3)
3(ab+6a)+(9a+3b)20(abc-5a)+6(4a-6abc)
2(xy-3z)+(-xy+9z)-7(pq-pr)-(8pq-pr)
6y+(3y-5)y+(7y+4q)-(5q-y)
8(6a-2)+4a10-(4y-1)+(7y+10)
5(ab+6a)-(3a-4b)15(abc+9a)-6(7a-2abc)
3(xy+4z)+(-xy-2z)-2(pq+pr)+(7pq+pr)
9m+(6m+8)m+(3m+9p)+(2p-6m)
4(8n-5)+4n9+(3y-1)-(9y+4)
7(-ab-9a)+(3a-7b)7(abc+4a)+3(2a-7abc)
9(xy-9z)+(-xy-7z)-6(pq+pr)+(9pq-pr)
-9a-(4a-3)8a-(3a+5c)-(8c-8a)
2(7m+8)+9m3+(2x-2)+(8x+8)
8(ab-9a)-(3a+3b)16(abc-2a)-6(4a-2abc)
9(xy+8z)+(-xy+9z)-2(pq+pr)-(2pq-pr)
-8a+(5a+2)a-(5a-8s)-(6s+a)
7(4n+2)-6n3+(7x-9)-(8x-1)
9(ab+4a)-(6a-9b)2(abc-8a)-5(3a-3abc)
9(xy-5z)-(-xy-8z)-5(pq+pr)-(3pq+pr)
4a-(6a+8)5a-(7a-3p)+(9p+a)
9(7b-8)+2b7+(9m+6)+(7m+4)
6(ab-8a)+(5a-9b)10(abc+2a)-6(5a-9abc)
2(xy-4z)-(-xy-8z)-5(pq+pr)+(4pq+pr)
-5x-(7x-2)8x-(4x+9s)+(7s+x)
7(6m+6)+2m3+(5n+6)+(8n-2)
6(ab+8a)-(5a-3b)2(abc+2a)-3(4a+8abc)
8(xy-4z)-(-xy+5z)-6(pq+pr)+(5pq+pr)
7y-(8y+7)5y-(6y+8q)-(4q-8y)
9(7s-10)-6s9-(5y+6)+(3y-5)
8(-ab+3a)-(5a-6b)20(abc+5a)-9(2a-3abc)
5(xy+6z)+(-xy+6z)-7(pq-pr)-(7pq-pr)
8a+(7a-3)a+(6a+6s)-(4s+a)
3(7m-1)-2m10+(7n+8)-(5n-8)
8(ab-9a)-(9a+3b)9(abc+6a)-5(8a-5abc)
7(xy-8z)+(-xy-5z)-5(pq-pr)+(3pq+pr)