七年级数学上册合并同类项练习题精编334.docx
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七年级数学上册合并同类项练习题精编334
6(xy-7z)+(-xy-4z)-5(pq+pr)-(3pq-pr)
5m+(3m+8)m+(2m+9c)-(2c-4m)
2(7a+4)-3a7+(6n-2)-(9n+3)
9(ab+9a)+(6a-6b)6(abc-9a)-8(8a+3abc)
8(xy+8z)+(-xy-3z)-6(pq+pr)+(6pq+pr)
-8b-(7b-5)6b+(5b-6d)-(9d-8b)
9(7m-5)-4m9-(9n-3)-(2n-6)
5(-ab+9a)+(3a-3b)11(abc-6a)+5(6a+5abc)
4(xy-9z)+(-xy-2z)-2(pq-pr)+(2pq+pr)
-7m-(6m+5)m-(7m-2d)-(8d-3m)
2(7s-7)+2s6+(7x+3)+(4x-5)
7(ab-2a)+(9a-2b)8(abc+7a)+3(2a-4abc)
4(xy+6z)+(-xy-4z)-2(pq+pr)+(9pq-pr)
7b-(2b+5)2b+(5b-7s)+(7s-b)
-9(6t-3)-5t3+(8m+2)+(6m+10)
7(-ab+9a)+(7a-3b)19(abc+4a)-6(6a+3abc)
3(xy+3z)-(-xy-6z)-3(pq-pr)+(4pq+pr)
8y+(9y-8)y-(8y+2d)-(8d-y)
-6(8a-5)+6a5+(6b-6)+(7b+7)
2(-ab+4a)-(7a-3b)3(abc-9a)-9(3a-3abc)
4(xy+9z)-(-xy+4z)-9(pq+pr)+(4pq+pr)
-5b-(3b+9)b+(5b+9s)-(5s-b)
-6(8t+9)+9t6+(7n-4)+(2n-7)
4(ab-2a)-(7a-4b)18(abc-5a)-6(2a-2abc)
2(xy+4z)+(-xy+2z)-9(pq-pr)+(8pq-pr)
8n-(9n-5)n+(7n-4z)+(2z-n)
8(5n-8)-2n7+(3n+5)-(3n+6)
5(ab+3a)+(6a-4b)8(abc-7a)-7(2a+7abc)
4(xy+6z)+(-xy-6z)-8(pq-pr)+(2pq+pr)
-6x-(8x+8)6x+(4x-6d)+(2d+x)
9(4b+10)+5b10+(8b-8)+(6b-3)
9(-ab-8a)+(7a+3b)18(abc+5a)+7(5a+2abc)
3(xy-8z)+(-xy-6z)-6(pq-pr)+(7pq-pr)
-9b-(5b+9)b-(8b+4d)+(7d-b)
3(3a-1)-2a7-(7m-10)-(3m+4)
3(ab+7a)-(2a+9b)20(abc+6a)-3(9a-2abc)
4(xy-4z)+(-xy+6z)-3(pq+pr)-(6pq-pr)
9a-(9a-6)a+(5a+6d)+(5d-3a)
-3(4n-9)+8n9-(8x+10)-(4x-5)
2(-ab-8a)-(4a-6b)18(abc+3a)-4(9a-2abc)
4(xy-8z)-(-xy-8z)-4(pq-pr)-(9pq+pr)
7m+(9m-9)6m+(2m-8s)+(8s+m)
-8(4a+5)+5a4+(6m+1)-(4m+1)
8(-ab+2a)+(8a-2b)15(abc-7a)+6(4a+2abc)
6(xy+9z)+(-xy+8z)-4(pq-pr)+(6pq-pr)
8b-(5b-2)b+(4b+6d)+(7d+b)
5(2t-7)+8t4+(7m-1)-(4m+10)
8(-ab+3a)-(9a+7b)7(abc+9a)-5(2a+7abc)
3(xy-7z)+(-xy+2z)-2(pq+pr)-(9pq+pr)
-7n-(5n-9)8n-(5n+9s)+(5s-2n)
6(4s+2)+2s1+(6x+3)-(5x-6)
4(-ab+2a)+(3a-4b)15(abc+3a)+5(7a-3abc)
2(xy-2z)-(-xy+2z)-6(pq-pr)+(3pq-pr)
-6m+(7m-9)6m+(5m+9c)-(9c-4m)
-5(3t-7)+9t5+(6m-8)-(8m-8)
4(ab+5a)-(8a+5b)8(abc+5a)+9(2a-2abc)
6(xy+5z)-(-xy-2z)-2(pq+pr)-(5pq-pr)
7a-(5a+9)a+(3a-6z)-(8z-a)
-5(9b-4)+3b10+(3n-3)+(9n-9)
7(ab+5a)-(4a+9b)6(abc+4a)-7(8a+7abc)
4(xy+2z)+(-xy+7z)-9(pq-pr)-(6pq-pr)
-5n+(7n-7)n-(4n-5p)+(2p-9n)
-6(5b-4)+8b7-(9b+1)+(5b+8)
8(-ab+2a)+(3a-4b)20(abc+9a)+4(8a+9abc)
2(xy-6z)+(-xy+6z)-6(pq+pr)+(8pq+pr)
-4b-(7b-4)6b-(3b-3z)-(3z+4b)
-3(6m-3)-6m4-(9x-10)-(2x-4)
6(ab-6a)-(3a-2b)18(abc-3a)-7(4a-5abc)
5(xy+9z)-(-xy-5z)-3(pq-pr)-(8pq-pr)
5x-(4x+4)x-(2x-8d)-(5d-4x)
7(6n+8)-7n2-(3x+6)-(2x-6)
7(ab-3a)+(9a+2b)10(abc-4a)-4(4a+6abc)
9(xy+6z)+(-xy+4z)-4(pq+pr)+(2pq+pr)
5b-(7b-5)b+(5b-6p)-(8p-b)
-7(8m-1)-9m3+(5a-9)-(4a+4)