七年级数学上册合并同类项练习题精编114.docx
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七年级数学上册合并同类项练习题精编114
5(xy+5z)+(-xy+2z)-8(pq-pr)+(3pq-pr)
4b-(3b+9)b+(4b-6s)+(6s-4b)
5(4n-4)+7n1+(3a+5)-(3a-10)
7(ab-3a)-(8a+6b)11(abc-6a)+7(5a-5abc)
7(xy-9z)-(-xy+7z)-6(pq+pr)+(9pq+pr)
5a-(2a-3)a+(6a+5s)-(2s+9a)
-3(6s+8)-2s3-(7b-5)+(4b-6)
6(-ab-2a)-(3a+8b)20(abc+8a)-8(2a-8abc)
8(xy+5z)-(-xy-8z)-9(pq+pr)+(3pq-pr)
-7n-(7n+4)n+(2n-4c)-(4c-6n)
-2(5b-2)+3b7-(4a+6)-(6a+4)
2(ab+7a)-(5a+6b)6(abc+2a)+9(7a-9abc)
5(xy+6z)-(-xy+5z)-3(pq-pr)-(4pq+pr)
9m-(9m-6)m+(5m+3p)+(6p+m)
2(6a+9)-9a3-(8m-9)-(3m-2)
5(ab-2a)-(5a+7b)16(abc+7a)+3(2a-6abc)
4(xy+4z)-(-xy-8z)-2(pq+pr)-(4pq+pr)
7x+(4x+6)3x-(9x+6p)-(3p-8x)
-2(4a+1)-2a5+(3a+1)-(6a+4)
6(ab+3a)+(2a+3b)20(abc+2a)+3(3a+2abc)
9(xy-4z)-(-xy-5z)-8(pq-pr)+(5pq+pr)
6b+(9b-8)b-(7b-7p)-(8p-b)
7(5n+9)+4n7+(2b+9)+(3b-2)
8(ab-3a)+(6a+9b)8(abc+3a)+9(6a+4abc)
2(xy+4z)+(-xy+4z)-9(pq+pr)+(6pq-pr)
3b+(4b+7)b+(4b+2s)+(5s+b)
-5(2b+10)-2b3+(4y-9)-(8y+8)
7(ab-4a)+(6a+9b)15(abc-8a)+2(7a-4abc)
8(xy+2z)+(-xy+5z)-4(pq+pr)+(5pq+pr)
-8x-(5x+7)6x+(5x+6d)+(7d+6x)
7(2b-10)+7b1-(8a+10)-(9a-9)
8(-ab-5a)+(4a+4b)17(abc-6a)+2(6a+5abc)
8(xy-9z)+(-xy+4z)-2(pq-pr)-(7pq-pr)
-8n+(2n+9)4n+(2n+4s)-(6s+n)
3(2n+3)-6n6-(8y-8)+(5y+9)
4(-ab-9a)-(6a-4b)6(abc-5a)+7(8a+4abc)
2(xy-2z)-(-xy-3z)-9(pq+pr)-(8pq+pr)
-7b-(3b-7)8b+(7b+8c)-(4c+4b)
5(9a+8)-6a8+(5x-1)+(4x-7)
3(ab-9a)-(4a-7b)19(abc-8a)+6(2a-5abc)
8(xy+9z)-(-xy+7z)-4(pq-pr)-(2pq+pr)
2a-(8a-8)a+(7a-4q)-(6q-4a)
2(4n+4)+4n6+(7m-5)+(3m+9)
4(ab-5a)-(5a+5b)15(abc-9a)-5(9a+3abc)
2(xy+3z)-(-xy-6z)-7(pq-pr)-(7pq+pr)
5n+(2n+4)n+(9n-4s)+(7s+n)
-3(3n+6)+9n2+(9n+2)-(5n+8)
6(-ab-4a)-(2a+5b)10(abc-3a)+2(3a+4abc)
9(xy-5z)-(-xy+4z)-4(pq+pr)-(2pq-pr)
-8y+(4y-9)7y-(6y-4s)+(6s+4y)
-4(4t-7)+2t4+(2m-5)+(4m-4)
6(-ab+8a)+(7a+4b)17(abc-6a)+9(5a+7abc)
6(xy-2z)-(-xy+4z)-8(pq-pr)-(3pq-pr)
-7m-(8m-6)7m-(5m-8c)-(6c-9m)
-4(8n+2)-8n1-(2y+7)+(4y+8)
6(-ab-3a)+(4a+2b)14(abc+5a)-2(2a+5abc)
5(xy-8z)-(-xy+2z)-2(pq-pr)+(3pq+pr)
3x-(9x-6)x-(9x-2d)+(3d+8x)
7(9t-10)+3t10-(2b+1)-(3b+6)
3(ab+2a)+(9a+5b)5(abc+8a)+4(5a+6abc)
6(xy+5z)-(-xy+3z)-9(pq+pr)-(7pq+pr)
-8n+(5n-9)8n+(3n-7z)-(6z-4n)
-6(6t+8)-9t3+(7y-8)-(3y+4)
4(ab+4a)+(8a+9b)9(abc-2a)+2(6a+3abc)
7(xy-5z)+(-xy-7z)-8(pq+pr)+(7pq-pr)
-2x-(5x-2)4x-(2x+8s)+(9s-2x)
-4(5a-2)+7a3-(4x-10)-(2x-9)
9(-ab+9a)+(2a-6b)8(abc+2a)-2(2a+4abc)
7(xy-9z)-(-xy+2z)-4(pq-pr)+(4pq+pr)
-2y-(7y-3)y-(3y+3q)+(2q+3y)
-3(5b+3)-7b10-(3n+5)-(3n-8)
6(ab+8a)+(8a-9b)13(abc+3a)+7(4a-7abc)
8(xy-3z)+(-xy-9z)-3(pq-pr)+(2pq-pr)
-9m+(2m+2)m-(4m+6z)+(5z-5m)
6(4n+8)-6n9-(2n+1)+(3n-3)