七年级数学上册合并同类项练习题精编6.docx
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七年级数学上册合并同类项练习题精编6
2(xy-9z)+(-xy+7z)-5(pq+pr)-(5pq-pr)
-6b+(5b-1)3b-(5b+8q)+(8q+b)
3(9m+7)-8m10+(6m-8)+(3m-1)
2(ab+8a)-(7a+6b)20(abc+5a)+8(7a-6abc)
7(xy+4z)-(-xy+5z)-2(pq-pr)-(6pq+pr)
6b+(7b-1)b-(6b-7z)-(6z-8b)
-5(5n+10)-8n10+(9n+4)-(2n-2)
6(-ab+9a)-(4a-6b)18(abc+7a)+2(5a-2abc)
8(xy+5z)+(-xy+9z)-8(pq-pr)+(2pq-pr)
9n+(6n+9)n+(5n+8c)+(5c-n)
-7(8b+8)+7b5+(8y+8)-(2y+8)
4(-ab-8a)-(7a+8b)14(abc+3a)+6(5a+3abc)
2(xy-7z)-(-xy+2z)-9(pq+pr)+(2pq+pr)
5b-(7b-6)b+(4b+3q)+(8q+9b)
-3(7m+5)-7m2-(5a+9)+(4a+8)
6(-ab+5a)+(3a-9b)3(abc-4a)-4(6a+2abc)
5(xy-7z)+(-xy-8z)-3(pq+pr)+(5pq+pr)
9m+(3m+4)2m+(8m+9p)+(2p+9m)
-7(3m-4)+6m10+(5x+5)+(8x+3)
2(-ab-8a)-(9a+7b)8(abc-5a)+3(8a-2abc)
4(xy+8z)+(-xy+4z)-8(pq-pr)-(5pq+pr)
-2x-(3x+4)4x+(9x+9s)+(5s-5x)
-3(7b+1)+5b5-(3a+5)-(5a-3)
6(-ab-4a)-(8a+9b)3(abc+5a)+4(7a-5abc)
6(xy+4z)+(-xy+9z)-2(pq+pr)+(9pq-pr)
-9a-(3a-1)a+(5a+4s)-(6s-a)
5(5n+6)+5n8+(8m+2)+(2m-2)
3(ab+9a)+(8a-8b)16(abc-4a)-3(7a-3abc)
3(xy+8z)-(-xy-5z)-7(pq-pr)-(2pq-pr)
6a+(2a+2)a+(3a-9c)-(9c+8a)
7(2m+2)-5m9+(5b-6)-(9b-1)
4(ab-8a)+(2a+9b)8(abc+9a)-8(2a+7abc)
4(xy-3z)+(-xy+6z)-4(pq+pr)+(2pq-pr)
-4b-(7b+5)b-(4b+9d)-(5d+b)
3(8m-10)+4m3-(3b-3)-(5b+8)
9(-ab+9a)-(2a+9b)2(abc-4a)-2(3a+4abc)
2(xy+6z)+(-xy-6z)-2(pq-pr)+(5pq-pr)
-6y+(5y-3)y+(9y-6q)-(8q-6y)
3(2b-2)+5b9+(9b+10)+(7b+10)
9(ab+2a)-(6a-6b)4(abc-9a)-3(3a+7abc)
8(xy+5z)-(-xy+3z)-7(pq-pr)-(4pq+pr)
7y-(4y-9)8y+(5y+5s)+(6s-y)
-5(5t-8)-3t10-(5x+3)+(7x-1)
3(ab+8a)-(2a-7b)17(abc+8a)-9(7a+4abc)
3(xy+9z)-(-xy+7z)-8(pq+pr)+(7pq+pr)
8m-(7m+9)6m+(2m-8q)+(6q+4m)
8(5a+3)-4a4+(9m+6)-(7m-6)
5(ab-2a)-(5a+4b)17(abc-2a)+6(4a-4abc)
5(xy+6z)-(-xy-3z)-2(pq+pr)+(3pq-pr)
-9b+(4b-6)3b+(6b+6z)+(8z-b)
-7(5t+5)-9t7-(6x+10)-(6x-6)
2(-ab+7a)+(6a+9b)6(abc+5a)-6(4a-2abc)
9(xy-9z)-(-xy+9z)-4(pq-pr)-(4pq-pr)
-8n+(6n-5)n-(6n-6q)-(4q+n)
9(2b-10)-8b7-(4y-1)-(5y+5)
7(-ab+5a)-(7a-6b)6(abc+9a)+7(9a+6abc)
9(xy+3z)+(-xy-8z)-9(pq-pr)+(2pq-pr)
8m+(2m+3)6m-(2m+9c)+(2c+m)
-2(7s+7)+6s9+(8b-2)-(6b+1)
8(ab-3a)-(7a-9b)3(abc+4a)+7(6a+4abc)
3(xy-2z)+(-xy+2z)-5(pq-pr)+(7pq-pr)
-2x-(6x-3)x-(4x-6c)-(9c-5x)
-2(6m+3)+6m8+(5x-4)-(5x-5)
5(ab+2a)+(8a-3b)19(abc+5a)-7(9a-8abc)
4(xy-9z)-(-xy+4z)-2(pq+pr)+(4pq+pr)
-2m+(5m-2)7m+(6m-5d)-(9d-m)
7(4m-3)-3m1+(6n-2)+(4n-9)
3(-ab+3a)-(4a-2b)3(abc-9a)+8(9a+5abc)
2(xy+8z)-(-xy+6z)-5(pq+pr)+(7pq-pr)
-9a-(2a-4)a+(6a+9d)+(6d-3a)
-6(7b+1)-3b9-(2n+9)+(6n-5)
2(ab-2a)+(8a+7b)10(abc-3a)+6(3a-5abc)
9(xy+4z)-(-xy+6z)-9(pq-pr)-(5pq-pr)
4y+(5y-9)8y+(3y+8c)+(6c-y)
7(3n+9)-9n3-(3b+9)+(3b+7)