七年级数学上册合并同类项练习题精编121.docx
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七年级数学上册合并同类项练习题精编121
8x-(7x-8)x+(8x+6d)-(3d-9x)
-4(8m+3)+6m2-(2x-4)+(6x+5)
7(-ab-2a)+(4a+5b)16(abc+9a)-2(9a-8abc)
2(xy+3z)-(-xy-6z)-2(pq-pr)-(5pq-pr)
-3b+(9b-9)4b-(2b+5d)+(2d-5b)
-2(4m+6)+3m6+(3a-10)+(5a-4)
3(ab+7a)-(7a-2b)6(abc+9a)-5(8a-3abc)
2(xy+6z)+(-xy-2z)-6(pq+pr)+(6pq+pr)
-5y+(3y+9)6y-(5y+8s)+(5s-4y)
-7(5b-10)-3b6+(5m+8)-(7m+6)
7(-ab-6a)+(4a-9b)20(abc-6a)-9(5a+3abc)
7(xy+4z)+(-xy-3z)-7(pq+pr)-(6pq+pr)
-5b+(6b+7)6b+(6b-7s)+(3s+4b)
-3(5a-9)+6a3-(2x-2)+(5x+3)
9(ab+5a)-(2a+9b)2(abc+4a)+5(9a+8abc)
8(xy-9z)-(-xy+2z)-9(pq+pr)+(6pq+pr)
-8b-(6b-5)b+(5b+2d)-(5d-b)
9(3n-1)-7n2+(7b+4)-(4b+9)
6(-ab-2a)+(6a-8b)4(abc-2a)+6(8a+3abc)
8(xy-7z)+(-xy+2z)-6(pq+pr)-(2pq-pr)
2a+(8a+1)a-(9a-5z)-(3z-a)
7(8a-2)+7a3-(3a-5)+(8a+8)
8(ab-8a)+(8a+3b)10(abc-9a)-5(4a+7abc)
8(xy-7z)+(-xy+6z)-3(pq+pr)-(6pq+pr)
5m-(2m-2)m+(6m-9d)+(9d+m)
-8(8a-7)-6a10-(2x-4)+(5x-7)
5(ab-3a)+(3a+7b)10(abc-5a)-3(5a-8abc)
7(xy-8z)-(-xy+8z)-7(pq-pr)+(2pq+pr)
-7n+(4n+3)8n+(5n+5s)+(2s-6n)
6(7n+7)-7n6+(6y+4)-(9y-5)
3(-ab-6a)+(8a-3b)8(abc-7a)-3(5a-6abc)
4(xy+7z)+(-xy-4z)-2(pq+pr)+(7pq+pr)
-6m-(2m-8)m+(6m+8q)+(7q+3m)
-3(2a-7)+6a1-(3n+1)+(9n-4)
5(-ab-7a)+(7a+9b)18(abc-9a)+7(5a-5abc)
6(xy+5z)+(-xy-7z)-6(pq-pr)-(2pq+pr)
4x+(2x-3)x-(3x+5p)+(5p+x)
-9(5a+1)+8a3+(7x+7)+(3x+8)
7(ab+9a)+(5a+7b)11(abc-2a)+9(6a+6abc)
9(xy-6z)-(-xy-6z)-8(pq+pr)-(5pq+pr)
3x+(6x+2)x+(9x+2p)-(4p-x)
-9(6s-10)+7s2-(7n-9)+(4n-1)
5(ab-5a)-(2a+9b)4(abc-3a)-9(8a-9abc)
2(xy+9z)-(-xy+2z)-4(pq+pr)-(8pq-pr)
2y-(3y+7)3y-(2y-4d)+(5d-6y)
-9(7s+1)+2s7-(9a+8)+(7a+3)
3(-ab+9a)+(9a-5b)10(abc+7a)-5(8a-8abc)
9(xy-2z)+(-xy+9z)-2(pq-pr)-(3pq-pr)
5b+(9b-1)6b+(2b-7d)-(7d+b)
8(6n+4)+7n6+(7n-5)-(7n-10)
3(-ab+2a)-(5a+4b)20(abc+6a)+9(2a+9abc)
6(xy+9z)-(-xy+5z)-8(pq-pr)-(6pq+pr)
-2y-(9y+2)2y-(7y+3c)+(5c-2y)
7(8t-8)+2t9+(2b+3)+(4b+4)
6(ab+2a)-(7a+8b)19(abc+5a)+8(8a-9abc)
9(xy-7z)+(-xy-5z)-4(pq+pr)-(8pq+pr)
-9x-(3x-9)2x-(4x+6d)-(4d+x)
4(5s+10)+6s7-(5x-8)-(5x-5)
3(-ab-2a)+(3a-6b)17(abc+4a)-6(9a+5abc)
4(xy-8z)+(-xy+9z)-4(pq-pr)-(7pq+pr)
8x+(4x+1)3x-(4x-3z)+(5z-5x)
5(8b-5)+5b5-(9b-6)-(5b-8)
8(ab-2a)-(5a-7b)10(abc-8a)+2(3a-9abc)
4(xy-8z)-(-xy-7z)-9(pq-pr)+(9pq+pr)
3a+(3a-7)4a+(2a+5c)+(8c+a)
-2(9a-2)-2a8+(7y+10)+(6y+9)
8(ab+5a)+(3a+9b)2(abc-4a)-9(7a-4abc)
5(xy+6z)-(-xy+6z)-7(pq-pr)-(6pq+pr)
-4n+(7n+7)4n-(3n-2c)-(9c-8n)
-9(7s+5)+6s5-(5y-3)+(8y-6)
9(ab+4a)+(3a+3b)6(abc-5a)-3(4a+3abc)
6(xy-7z)-(-xy+8z)-3(pq+pr)+(5pq-pr)
6y+(5y+7)8y-(6y+5z)+(8z-7y)
6(9b+8)-9b6-(2b-2)-(2b+5)
9(ab+8a)-(3a-5b)19(abc-3a)-9(5a-8abc)