七年级数学上册合并同类项练习题精编134.docx
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七年级数学上册合并同类项练习题精编134
2(xy-8z)+(-xy+5z)-4(pq-pr)+(7pq-pr)
3x+(9x-2)2x+(2x+7p)+(2p-x)
8(2b-6)-5b5+(9m+3)+(2m-4)
5(ab-7a)-(3a-4b)16(abc+9a)-8(4a+3abc)
2(xy+2z)+(-xy-9z)-3(pq-pr)-(5pq-pr)
-8x-(4x-9)2x-(5x-8d)+(6d+8x)
8(2b-7)+2b3-(8y-7)+(7y-10)
4(-ab+7a)-(5a-6b)2(abc+8a)-2(4a+4abc)
9(xy+7z)+(-xy-4z)-8(pq+pr)+(9pq-pr)
-7b-(4b-9)2b-(5b-5q)-(2q-b)
8(4t-9)-2t10+(7b+3)+(7b-9)
6(ab-2a)-(5a+3b)2(abc+4a)+8(6a-5abc)
6(xy-4z)-(-xy-9z)-9(pq+pr)-(7pq-pr)
-9b+(4b-3)6b+(9b+6c)-(2c-2b)
-2(3s+3)-2s7+(5n-5)-(4n-4)
2(ab-3a)+(7a-2b)9(abc-3a)-3(7a-2abc)
3(xy+7z)-(-xy+4z)-8(pq-pr)-(2pq-pr)
3x+(5x+2)x-(6x+6p)-(9p-x)
-8(6n-5)+8n1+(8x-9)-(2x-1)
5(-ab+7a)-(5a-8b)4(abc-2a)-7(6a+5abc)
6(xy-5z)-(-xy+3z)-5(pq+pr)-(5pq+pr)
7x-(6x+7)5x+(3x+3s)+(2s+3x)
-3(4b-4)-6b9-(3x-10)+(7x+3)
5(ab-8a)-(9a-5b)13(abc-6a)-3(6a-7abc)
3(xy+4z)+(-xy-5z)-3(pq+pr)-(6pq-pr)
-2y-(2y+6)y-(2y+8z)+(7z-y)
8(4b-10)-3b1+(6x+5)-(6x+9)
9(-ab+3a)-(4a-2b)18(abc+4a)-8(9a-5abc)
6(xy+8z)-(-xy-5z)-6(pq+pr)+(3pq-pr)
-5y-(8y-7)y+(3y+7p)-(4p+y)
-6(9m+5)-6m3+(4b-10)+(6b-8)
8(ab-8a)+(7a+9b)17(abc-9a)+9(6a+9abc)
9(xy+5z)-(-xy+4z)-8(pq+pr)-(8pq+pr)
-9x-(7x+1)x+(9x+3d)-(3d-4x)
-9(3b-5)-8b3-(4n+9)+(6n-3)
7(-ab-6a)-(7a+5b)11(abc-3a)-7(5a-3abc)
3(xy+7z)-(-xy+8z)-3(pq+pr)-(3pq-pr)
-6x+(7x-9)7x+(3x-6p)-(3p+x)
6(3a-8)-4a3+(5x-7)+(7x-4)
9(ab+4a)-(8a+3b)19(abc+3a)-5(4a-8abc)
9(xy-6z)+(-xy+5z)-3(pq-pr)-(6pq+pr)
6n+(6n+5)n+(4n+6p)+(4p+n)
-6(4a-3)-4a10-(6n-6)-(5n+8)
3(ab+6a)-(5a+5b)13(abc+5a)-7(9a+4abc)
2(xy-7z)-(-xy-9z)-6(pq-pr)+(7pq-pr)
5m-(9m+7)m-(4m-8p)-(6p+5m)
-4(4b+4)+3b9-(5b-1)-(8b+4)
8(-ab+7a)-(7a+5b)19(abc-6a)+3(5a-2abc)
6(xy-8z)+(-xy+6z)-2(pq-pr)+(3pq-pr)
-2m+(6m-5)8m-(7m+8d)-(6d-7m)
3(5s+1)+6s2-(4a-2)+(9a+8)
3(-ab-3a)-(6a+5b)4(abc-5a)+6(4a+6abc)
3(xy+5z)-(-xy+7z)-2(pq-pr)-(6pq-pr)
-9b+(6b-4)4b+(6b+4p)-(6p+4b)
-8(8t+3)-4t1-(4n-9)+(3n-9)
5(-ab-9a)+(2a+4b)20(abc+9a)-4(6a+2abc)
4(xy+6z)-(-xy+2z)-8(pq-pr)-(8pq+pr)
-9m-(3m-8)m-(9m+7z)+(6z+m)
8(6a-2)+5a8-(7x+6)+(7x+9)
7(-ab+9a)+(4a+8b)13(abc-3a)-3(6a+7abc)
7(xy-7z)+(-xy-2z)-9(pq+pr)+(5pq-pr)
-8n-(6n+6)n-(9n+5z)+(7z+7n)
6(3t+9)+6t6+(5b-5)-(4b+7)
6(ab+3a)-(5a-4b)2(abc+9a)+6(9a+2abc)
7(xy-5z)-(-xy+8z)-4(pq-pr)-(6pq+pr)
-6y-(7y-8)y-(8y-8d)+(5d+2y)
-3(2m-6)+5m4-(9a-4)-(3a-10)
4(-ab-6a)-(7a+9b)11(abc+2a)-2(2a+7abc)
7(xy-6z)+(-xy+6z)-3(pq+pr)+(3pq-pr)
8m-(5m-3)5m-(6m-5d)-(6d-4m)
-4(3a+2)+2a3+(5x+7)-(2x-2)
8(-ab+8a)-(8a+5b)18(abc-6a)-4(8a+3abc)
4(xy-9z)+(-xy-9z)-8(pq-pr)+(4pq+pr)
6a+(2a+3)a+(9a-3p)-(5p+7a)
-9(8b+10)-3b8-(4b-2)+(9b+1)