七年级数学上册合并同类项练习题精编259.docx
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七年级数学上册合并同类项练习题精编259
9(-ab-2a)+(2a-6b)2(abc-6a)-7(6a+9abc)
6(xy+7z)+(-xy-2z)-9(pq-pr)-(9pq+pr)
-5y+(8y-1)3y-(3y+5d)+(8d-3y)
-5(8s-3)-7s8+(7b-3)+(6b-9)
6(ab+4a)-(4a+7b)4(abc+9a)-3(7a+5abc)
8(xy+6z)-(-xy-8z)-6(pq+pr)-(9pq+pr)
-4a-(4a+3)5a+(3a+2p)-(4p+a)
3(8b-9)+8b10-(7b+9)+(4b+3)
6(-ab-9a)-(9a-4b)4(abc+8a)-4(4a-9abc)
6(xy+2z)+(-xy+2z)-4(pq+pr)-(6pq-pr)
4x-(8x-1)3x-(5x-2c)-(5c-4x)
-2(5m-1)-6m5+(4b-1)-(3b-4)
9(ab+6a)+(9a-2b)15(abc+9a)+8(8a-2abc)
4(xy+6z)+(-xy-5z)-8(pq+pr)-(7pq-pr)
-8y+(2y+9)y+(7y+7p)-(2p-9y)
-8(2n+8)+6n2+(4m-3)-(4m-5)
5(ab-4a)+(7a-6b)16(abc-7a)+6(5a+3abc)
9(xy-2z)-(-xy+8z)-4(pq+pr)+(3pq-pr)
-9b-(9b-4)b+(9b-3d)+(6d+b)
-8(3b+1)+5b2-(3y-1)+(2y+2)
8(ab+7a)-(2a+4b)19(abc-7a)+8(7a+5abc)
9(xy+7z)-(-xy-5z)-4(pq+pr)-(6pq+pr)
5x-(5x-5)7x-(9x+5z)-(6z-2x)
9(9n+7)-8n5-(3x+7)-(5x+8)
7(ab-5a)-(9a-5b)13(abc-3a)-2(5a+2abc)
8(xy-3z)+(-xy-7z)-7(pq-pr)+(2pq+pr)
8x+(6x+4)x-(8x-2z)-(5z-x)
-7(5n-5)-4n2+(5n+3)+(2n-7)
8(-ab-5a)+(5a-5b)11(abc-4a)+5(3a-9abc)
9(xy-5z)+(-xy-4z)-4(pq-pr)+(5pq-pr)
6a+(5a+5)7a+(4a+5c)-(5c-a)
3(4a+8)-4a6-(2m-10)+(2m-9)
5(ab-4a)-(3a-7b)3(abc-4a)+2(8a-5abc)
6(xy+7z)-(-xy+5z)-6(pq+pr)+(5pq+pr)
8a+(7a+7)8a+(4a+6d)+(7d+a)
2(4a-9)+8a7-(4n+2)-(7n-1)
4(ab+8a)+(5a-5b)12(abc+7a)+4(2a-4abc)
6(xy-4z)-(-xy+4z)-6(pq-pr)-(3pq-pr)
8y+(4y-1)4y-(7y+6p)+(3p+y)
6(4n-10)+5n2+(9a+4)-(9a-1)
9(-ab+6a)+(3a+4b)19(abc+2a)+9(8a+5abc)
8(xy-9z)-(-xy+7z)-7(pq+pr)+(6pq+pr)
-2a+(8a-6)a+(5a+2d)+(3d-4a)
9(6t+9)-2t1+(6n-10)+(9n+8)
3(-ab+4a)+(8a+4b)10(abc-4a)-4(6a+6abc)
9(xy+9z)-(-xy+2z)-7(pq+pr)+(8pq+pr)
-4x+(5x+5)x-(3x+2d)+(2d+x)
-3(6s-3)-5s1-(8y-10)-(9y+5)
6(ab-4a)+(5a-8b)2(abc+5a)-9(9a+2abc)
4(xy-4z)+(-xy+5z)-4(pq+pr)-(8pq-pr)
4x+(2x-6)x-(9x+8c)-(3c-x)
5(7m+2)+9m4-(3n-5)-(2n+3)
3(ab+5a)-(9a+4b)5(abc+2a)-2(4a+9abc)
5(xy+2z)+(-xy-3z)-8(pq+pr)-(7pq-pr)
7a-(4a+4)a+(9a+5q)-(2q-a)
4(3b-7)-6b9-(5a+4)+(3a+2)
8(ab+5a)-(7a+8b)17(abc-2a)-2(2a+6abc)
9(xy+2z)+(-xy-7z)-4(pq+pr)+(2pq+pr)
6n+(2n-3)4n+(7n+8d)+(6d-6n)
4(4a+8)-6a1-(8a-10)+(6a+1)
3(ab-9a)-(9a+6b)11(abc+3a)+3(8a-6abc)
8(xy-4z)-(-xy+3z)-6(pq-pr)+(8pq-pr)
2a-(8a+9)a-(2a+9c)-(6c-8a)
-9(5a-2)-3a10+(7a-3)+(7a-1)
9(ab-2a)-(3a-9b)8(abc-3a)+2(2a+7abc)
3(xy-4z)-(-xy-6z)-8(pq-pr)-(7pq+pr)
8m+(5m-4)8m+(4m-5c)-(9c+m)
-6(8a+7)-7a2-(4m-2)+(8m+2)
5(-ab-5a)+(9a+8b)3(abc+9a)+6(6a+8abc)
4(xy+6z)-(-xy-5z)-4(pq-pr)-(5pq-pr)
5a+(6a-9)7a+(9a+6d)+(9d+a)
-9(9a+3)+6a3+(9b+8)+(5b-10)
9(-ab+7a)-(5a-7b)2(abc+7a)+7(3a+5abc)
2(xy-8z)-(-xy+3z)-8(pq+pr)-(3pq+pr)
7m+(4m-2)3m+(8m+7d)+(6d-m)