七年级数学上册合并同类项练习题精编315Word格式文档下载.docx
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-6m-(4m-4)m-(9m-5d)+(2d-m)
6(8t+7)+8t3-(3a+3)-(8a+3)
3(ab+6a)+(4a-5b)3(abc-2a)+7(6a+4abc)
6(xy-2z)-(-xy-3z)-7(pq-pr)-(5pq+pr)
8b-(8b+5)b-(5b+6d)-(6d-b)
-5(7n+9)-2n1-(7n-3)+(6n-7)
9(-ab-9a)+(9a+3b)10(abc-2a)-2(7a+4abc)
9(xy+5z)-(-xy-6z)-6(pq-pr)-(7pq+pr)
-5n-(6n-7)n+(3n-5p)+(3p-n)
8(2m-6)-4m5-(7n+3)-(6n+1)
5(ab+8a)+(3a+6b)8(abc-3a)-4(2a+9abc)
4(xy-9z)+(-xy-7z)-5(pq+pr)+(3pq-pr)
-2m+(2m-3)7m-(3m+2z)-(5z+m)
6(5m+10)-5m9+(3a+1)-(7a-3)
5(ab+8a)+(4a+8b)13(abc+6a)-6(2a-6abc)
9(xy+3z)+(-xy-9z)-8(pq+pr)-(3pq+pr)
-3m-(7m+2)m+(4m+7p)-(9p+2m)
-6(4s+7)-7s5+(9b+9)+(6b+10)
3(ab-7a)+(8a+9b)5(abc-7a)-8(7a-3abc)
9(xy-2z)+(-xy+6z)-6(pq+pr)+(9pq+pr)
8y+(8y-7)y-(7y+3s)+(2s+7y)
-4(7m+10)-6m2-(5x+3)-(2x+5)
8(-ab+5a)-(7a-9b)14(abc+8a)-2(3a+5abc)
2(xy-4z)+(-xy+2z)-8(pq+pr)+(7pq+pr)
-8a+(5a-7)9a+(8a+2d)+(8d+a)
-5(2a-10)+7a7+(2x-2)-(2x-1)
5(ab-6a)-(2a+9b)13(abc+3a)-8(6a+9abc)
9(xy+6z)+(-xy+5z)-4(pq-pr)+(8pq+pr)
-4x+(6x+4)6x+(7x-4c)+(4c-x)
-2(8t+10)+2t5-(7y-9)-(2y+6)
7(-ab+2a)-(5a-7b)3(abc+7a)+8(7a-7abc)
7(xy+3z)-(-xy+9z)-9(pq+pr)+(6pq-pr)
9x-(2x+1)3x+(6x+7q)-(5q-4x)
9(8t-8)+3t1+(3a+10)+(5a+6)
4(ab-3a)+(9a+2b)3(abc+5a)+5(3a-2abc)
8(xy-7z)+(-xy-5z)-6(pq-pr)+(6pq-pr)
-3b+(7b+6)3b-(9b+6c)-(4c+b)
-9(5s-10)+7s6+(9a+8)+(8a-8)
5(ab+7a)-(9a-8b)16(abc+9a)+6(6a+3abc)
3(xy+6z)-(-xy+7z)-8(pq+pr)+(7pq-pr)
6a+(9a-8)6a-(3a+8s)+(2s-3a)
7(3b-10)-5b6-(6a+3)+(7a+10)
4(-ab+9a)+(5a-9b)7(abc+2a)-3(5a-8abc)
9(xy+9z)+(-xy-7z)-2(pq-pr)+(4pq+pr)
-3a-(8a-4)a+(4a-5p)+(4p-a)
7(3b+9)-8b10-(5x+4)+(3x-4)
9(ab+9a)+(2a+6b)20(abc-2a)-5(9a+5abc)
9(xy-8z)-(-xy-6z)-7(pq+pr)+(3pq+pr)
-9a-(8a+7)9a+(9a+8z)-(2z+a)
4(9a+6)-6a3+(6y-8)-(6y-5)
5(-ab-4a)+(4a-3b)19(abc+7a)-6(5a+7abc)
3(xy+5z)+(-xy-8z)-6(pq+pr)-(2pq+pr)
6m-(4m-2)m-(7m-2c)+(8c-9m)
-4(3s-1)-8s7+(3a+7)+(5a-8)
9(ab+4a)-(2a+7b)7(abc+3a)+7(5a-7abc)
7(xy-4z)+(-xy+8z)-9(pq-pr)-(2pq-pr)
-3m+(4m-1)m-(6m+7s)-(8s-5m)
8(8t-4)-9t6-(3m+6)-(4m+7)
8(ab+2a)-(5a+2b)13(abc+3a)+4(3a-2abc)
2(xy+5z)-(-xy+2z)-6(pq+pr)+(9pq-pr)
-4n+(4n+1)n+(8n-3p)-(2p-n)
-9(9a-8)+9a2+(4y+8)+(2y+5)
8(-ab-5a)+(6a+5b)5(abc-9a)-2(4a+6abc)
3(xy-3z)-(-xy-6z)-6(pq-pr)-(2pq+pr)
4x+(8x+4)7x-(9x+9q)+(5q-2x)
7(9s-5)+4s8+(4m-6)-(4m-6)
8(ab-6a)+(8a-4b)7(abc+5a)-2(2a+2abc)
9(xy+5z)+(-xy-4z)-5(pq-pr)+(3pq-pr)
-7n-(7n+5)n-(7n+9p)-(2p-7n)