七年级数学上册合并同类项练习题精编12.docx
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七年级数学上册合并同类项练习题精编12
3(2n+8)-2n8+(8m-5)+(9m-7)
4(-ab-5a)+(5a+5b)16(abc-2a)+6(7a-3abc)
8(xy-9z)-(-xy-8z)-5(pq+pr)-(3pq+pr)
6x-(2x+6)x+(4x-9d)+(4d-4x)
5(3b-10)+7b1+(5y-7)+(4y-7)
6(-ab+7a)+(8a-5b)11(abc+4a)+7(4a-9abc)
5(xy-9z)+(-xy-6z)-6(pq-pr)+(2pq-pr)
-2n+(4n+2)n+(5n-5q)+(5q+n)
4(2t+2)+7t9+(3a+4)-(3a+4)
9(ab-3a)+(4a+5b)2(abc-3a)+6(2a+7abc)
5(xy-7z)-(-xy+7z)-9(pq-pr)+(9pq+pr)
-9b+(3b-3)b-(7b+8q)+(4q+3b)
-7(8a+10)-8a1-(7a-2)-(3a+10)
2(-ab+9a)-(2a+4b)3(abc+2a)+9(5a-7abc)
7(xy-4z)+(-xy-2z)-5(pq-pr)-(3pq-pr)
-2x+(4x-7)x+(7x+8s)+(3s-x)
6(4m+9)+7m7-(2y-3)-(2y+7)
6(-ab+5a)+(3a+3b)7(abc+3a)+6(3a-2abc)
2(xy-4z)-(-xy+3z)-2(pq+pr)-(2pq-pr)
6b+(6b+8)5b-(6b-3q)+(9q-7b)
-7(7a+2)-3a2-(7b+8)-(8b+1)
7(ab+4a)+(7a-7b)7(abc+5a)+6(9a-6abc)
7(xy-5z)+(-xy-9z)-2(pq-pr)-(7pq-pr)
2m+(2m-3)m+(6m-6s)+(8s-m)
7(5m-9)+6m6+(9a+10)+(5a-2)
8(-ab+8a)-(3a-4b)13(abc-6a)+6(3a+8abc)
8(xy-2z)+(-xy-5z)-6(pq-pr)+(3pq+pr)
-3y+(4y+3)2y+(4y-7q)+(4q+y)
6(7t+5)+9t9-(6m-9)+(8m+7)
5(ab-8a)+(6a-8b)20(abc+2a)+7(2a-5abc)
8(xy-2z)+(-xy-6z)-2(pq-pr)+(5pq+pr)
-2a+(5a-1)4a+(7a+2q)-(8q+6a)
-3(7t-3)-9t2-(5a+3)-(6a+3)
4(ab+3a)+(2a-4b)2(abc+7a)-7(7a-7abc)
6(xy+2z)+(-xy-2z)-2(pq+pr)+(6pq+pr)
2m-(7m+1)m-(9m+4d)+(5d-7m)
-3(8n+1)+9n9-(4y+7)-(2y+2)
2(-ab+6a)+(9a+7b)13(abc-5a)+9(6a+2abc)
3(xy-5z)-(-xy-7z)-3(pq+pr)-(6pq-pr)
9m+(6m+6)4m-(8m-6d)-(9d+6m)
-2(3t-7)+2t1-(7n-5)+(4n+5)
5(-ab-6a)-(7a+2b)11(abc+3a)+7(4a-7abc)
6(xy-4z)-(-xy+2z)-2(pq+pr)+(2pq-pr)
7x-(8x+9)4x+(6x-3d)-(9d+6x)
4(9s-1)-7s8+(7y+3)+(2y+2)
3(-ab+6a)+(3a+3b)2(abc+7a)-2(3a-8abc)
5(xy-8z)-(-xy+3z)-6(pq+pr)+(3pq+pr)
-5m-(9m+3)9m-(3m+6p)+(7p+m)
-7(4s-4)-8s9-(4y-8)+(8y-6)
7(-ab+6a)-(6a+9b)13(abc+8a)-3(4a+9abc)
3(xy+7z)-(-xy+9z)-3(pq+pr)-(5pq+pr)
-6n-(4n+9)6n+(7n+3c)-(3c-n)
-7(6s-5)-4s5-(8a-3)+(2a+5)
6(-ab-4a)+(6a-5b)19(abc-8a)-5(8a-7abc)
3(xy-5z)-(-xy+8z)-2(pq-pr)-(5pq-pr)
3y-(4y-1)y-(9y-6d)-(7d-3y)
-9(4a+9)-8a10+(3b-2)-(8b+2)
4(ab-8a)-(5a-9b)4(abc+6a)-2(2a-6abc)
9(xy+6z)+(-xy-3z)-8(pq-pr)-(7pq-pr)
-6m-(2m+6)m-(4m+3p)+(3p-m)
-2(3s-1)-3s7+(5y-6)+(3y-1)
6(ab-5a)+(9a+2b)20(abc-5a)+9(2a-7abc)
4(xy-4z)-(-xy-8z)-2(pq-pr)+(9pq-pr)
9m+(8m+7)m-(4m-4q)-(6q-6m)
3(8a-3)-6a2+(6x-4)-(9x+7)
3(ab+6a)-(3a-2b)8(abc+2a)+5(4a-8abc)
4(xy+5z)-(-xy-7z)-7(pq+pr)-(5pq-pr)
-5b-(3b-4)b-(4b+4c)+(9c-b)
7(5b-2)+9b3+(3n+10)+(9n+3)
7(ab+6a)+(9a+8b)20(abc+6a)-2(8a-2abc)
6(xy+4z)+(-xy+6z)-3(pq-pr)+(5pq-pr)
4x+(3x+6)x+(6x+5p)-(4p-9x)
7(7n-4)+2n8-(6b+2)+(9b+5)
9(-ab+2a)-(9a-7b)11(abc+6a)-6(9a+8abc)
4(xy+5z)+(-xy-8z)-3(pq-pr)+(9pq+pr)