七年级数学上册合并同类项练习题精编356.docx
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七年级数学上册合并同类项练习题精编356
2(8t-8)+4t10+(6m+10)-(8m-10)
5(-ab-8a)+(4a-6b)7(abc-4a)-8(7a-4abc)
2(xy-7z)-(-xy-5z)-4(pq-pr)-(7pq+pr)
-4m-(8m-7)3m+(8m+5z)-(5z+m)
3(2n-4)+4n6-(4x+8)+(6x+8)
5(-ab+4a)+(5a+2b)20(abc-5a)+5(2a+9abc)
6(xy+8z)-(-xy-6z)-5(pq-pr)+(6pq+pr)
7y-(4y+4)7y-(4y+9z)+(4z+9y)
-2(5s-7)+8s3+(2n-2)+(8n+5)
4(-ab+3a)-(9a+5b)18(abc+7a)+7(4a+9abc)
9(xy+9z)+(-xy-9z)-4(pq-pr)+(6pq-pr)
8b-(7b-3)b+(7b+5z)+(4z+9b)
-9(2s+10)-8s3+(9y+8)+(5y-5)
5(ab+6a)+(4a-8b)16(abc-2a)-6(5a+7abc)
5(xy+4z)-(-xy-3z)-9(pq+pr)-(7pq+pr)
8x+(2x+1)x-(9x+6d)+(5d+8x)
9(5s+5)-5s5-(4a+7)+(4a-6)
7(-ab-2a)-(6a+8b)15(abc-3a)-8(2a+6abc)
4(xy+7z)+(-xy-4z)-7(pq+pr)+(4pq-pr)
8b-(7b-1)8b-(3b+9z)-(9z+2b)
4(9m-2)+4m9+(8m+3)+(2m-9)
8(ab+9a)+(4a+8b)4(abc+3a)+8(8a-3abc)
2(xy-6z)-(-xy-2z)-5(pq-pr)+(7pq+pr)
-5b-(2b+7)b+(8b-7z)-(5z-b)
-2(5m+5)+5m5-(6n+2)+(2n-9)
2(-ab-2a)-(5a+5b)8(abc-4a)+3(2a+6abc)
7(xy-3z)-(-xy+3z)-8(pq-pr)-(7pq-pr)
9y-(5y-3)8y+(6y-4s)+(9s-y)
4(5a-5)+3a9-(5x+7)-(5x-8)
7(-ab-4a)+(2a-4b)3(abc-8a)-9(9a+3abc)
3(xy-4z)+(-xy-6z)-6(pq+pr)-(3pq-pr)
2n-(5n-6)n+(4n-7d)+(3d+2n)
-5(6m-8)+9m10+(6b-4)+(8b-4)
4(-ab+4a)+(2a+9b)3(abc+8a)-9(3a+8abc)
7(xy-6z)+(-xy+2z)-8(pq-pr)-(2pq-pr)
-5a+(3a-4)a+(9a-3z)-(8z-a)
-6(9n+8)+3n1+(8x+2)-(8x-7)
2(-ab+2a)+(8a-4b)5(abc-2a)+6(7a+5abc)
8(xy+4z)-(-xy+9z)-9(pq+pr)+(8pq-pr)
-9n-(6n-9)n+(3n-7c)-(8c-9n)
-3(5b-10)+2b4+(7m+3)-(9m+2)
4(-ab+2a)-(6a-3b)12(abc-2a)-3(8a-7abc)
9(xy-8z)+(-xy-7z)-4(pq+pr)+(6pq+pr)
-6b-(4b-6)b-(2b+4q)-(6q+b)
-6(6a+9)+4a6+(2y-2)-(3y-1)
5(-ab-9a)+(9a+5b)3(abc+3a)+8(6a-3abc)
6(xy-5z)+(-xy+9z)-4(pq+pr)-(6pq+pr)
2y-(4y-1)6y+(7y+7z)-(7z+y)
6(2b-5)-7b3+(4a+5)+(3a+7)
6(-ab-4a)-(7a-7b)6(abc+4a)-7(4a+5abc)
8(xy-3z)-(-xy+4z)-7(pq-pr)-(6pq+pr)
3m+(2m+1)6m-(6m-8p)-(6p-9m)
-7(4s-9)+9s1+(6y-5)-(8y+4)
5(ab-6a)+(4a-5b)11(abc-4a)-5(6a-3abc)
3(xy+5z)+(-xy+4z)-2(pq-pr)+(4pq+pr)
7n+(3n-2)n+(8n+2s)-(2s+n)
2(3t+3)-9t1+(9n-3)-(7n-7)
4(ab+7a)-(9a-8b)19(abc+4a)-6(2a+6abc)
9(xy+7z)-(-xy-2z)-2(pq+pr)+(3pq+pr)
-4a-(8a-5)a-(7a+5d)-(5d+a)
2(9a+7)-7a4+(2a-8)+(8a-8)
2(-ab+5a)+(8a+8b)16(abc+8a)+3(9a-6abc)
6(xy+2z)+(-xy-7z)-9(pq-pr)+(9pq+pr)
2n+(4n-1)2n+(7n-2z)-(4z-n)
9(3m-1)-6m7+(7y-9)+(7y-3)
8(ab+2a)-(9a+6b)7(abc-4a)-3(5a-4abc)
4(xy-9z)+(-xy-8z)-5(pq-pr)+(2pq-pr)
-6n+(6n-4)2n-(8n+6z)-(2z+n)
7(4t-7)-8t9+(2x-9)-(7x-6)
3(-ab-9a)+(6a-3b)7(abc-9a)+9(8a+6abc)
3(xy-5z)+(-xy-8z)-8(pq+pr)+(5pq+pr)
4b-(7b-7)2b-(9b+8s)-(7s+5b)
-2(9s-8)+2s9+(8b-7)+(5b-6)
8(ab-9a)+(8a+6b)2(abc-3a)-5(6a+8abc)
9(xy+7z)-(-xy-7z)-7(pq-pr)-(9pq-pr)