七年级数学上册合并同类项练习题精编288.docx
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七年级数学上册合并同类项练习题精编288
2(5m-7)+8m8+(7x+10)+(8x+5)
9(-ab+5a)-(2a-8b)4(abc-6a)-3(2a-7abc)
6(xy-9z)+(-xy+3z)-9(pq-pr)-(7pq+pr)
-2y+(9y+3)7y+(2y-5c)+(4c+y)
-7(6n+7)+3n2-(6m-4)-(3m-3)
6(-ab-7a)+(3a-2b)6(abc+9a)+6(4a-5abc)
4(xy+2z)+(-xy-7z)-2(pq+pr)-(4pq-pr)
-4n-(3n+6)4n-(3n+9d)-(5d+n)
4(5b+3)-9b1+(5m-3)-(6m-10)
5(-ab-2a)+(9a+7b)8(abc+9a)-6(9a-8abc)
5(xy-8z)+(-xy+4z)-3(pq+pr)-(5pq-pr)
5n+(9n-4)n-(2n+2d)-(3d+3n)
-8(7a+10)-6a8-(2m-4)+(2m+1)
2(ab+5a)+(3a+2b)15(abc-2a)-2(9a-5abc)
4(xy+3z)+(-xy+9z)-3(pq+pr)+(5pq-pr)
3m-(3m-2)7m+(6m-2p)+(8p-m)
-5(6t-10)-7t10-(4n+3)+(3n-7)
7(ab-3a)+(6a+8b)9(abc-7a)+4(9a+8abc)
4(xy-7z)+(-xy+3z)-3(pq-pr)+(6pq-pr)
-6n-(5n+4)n+(3n-3c)-(3c-5n)
-6(5m+4)+6m5-(6b-5)+(2b-4)
8(ab+5a)+(6a+8b)16(abc+7a)-8(7a-4abc)
2(xy-8z)+(-xy+6z)-9(pq+pr)+(5pq-pr)
-9n+(2n+3)9n+(9n-3q)+(7q+5n)
-3(8n+5)-9n6-(6x+2)-(3x+2)
3(-ab-8a)-(6a+8b)5(abc-7a)-4(4a-7abc)
3(xy-3z)+(-xy-7z)-4(pq+pr)-(8pq+pr)
-3a+(4a-3)6a-(6a+4d)+(6d+a)
-2(9n+10)+7n1-(4n-10)+(6n-4)
5(ab-2a)+(9a-5b)14(abc+7a)-6(9a-7abc)
2(xy-6z)-(-xy+9z)-5(pq-pr)-(3pq+pr)
-8y-(3y+5)y-(2y-4s)+(3s-6y)
-4(7n-2)+3n7+(9x+8)+(8x-1)
5(ab+3a)-(5a-3b)6(abc-4a)-5(6a-6abc)
8(xy+7z)-(-xy+2z)-3(pq+pr)-(8pq-pr)
-2x+(9x-8)x+(7x-6c)-(6c-x)
4(4b+1)+4b9-(9b+3)-(8b-8)
2(ab-3a)+(4a-3b)18(abc+4a)-4(4a-7abc)
3(xy+5z)+(-xy-8z)-2(pq-pr)+(7pq+pr)
-9n+(6n-7)n+(4n-4s)+(6s-9n)
6(7t-10)-4t8+(8a-10)+(3a+1)
9(ab-2a)-(7a+8b)2(abc+9a)-4(9a-6abc)
5(xy+6z)+(-xy+5z)-9(pq+pr)+(5pq-pr)
-9y+(6y+2)y-(4y-4q)-(8q+5y)
-6(5b-10)+4b3+(6a+8)+(6a-3)
6(ab-8a)-(8a-6b)13(abc-2a)-3(2a+9abc)
5(xy+8z)-(-xy-5z)-6(pq+pr)+(2pq+pr)
3y-(8y+3)y-(2y+5p)-(7p-3y)
-4(5n-1)+9n6+(3b+8)+(3b-9)
6(ab+6a)-(6a+6b)3(abc+3a)+7(8a-9abc)
4(xy+6z)-(-xy-6z)-9(pq-pr)+(4pq-pr)
-6n-(6n-2)7n-(5n-3s)+(6s-n)
4(3s+8)+4s3+(7b+6)-(3b-8)
2(ab+9a)+(7a-4b)19(abc+6a)+3(5a-4abc)
9(xy+4z)+(-xy-6z)-3(pq-pr)-(4pq+pr)
5b+(9b+7)2b+(9b+7s)+(5s-4b)
-4(3b+10)+7b2+(2a-9)+(9a+8)
3(ab-9a)-(6a+4b)17(abc-7a)+5(3a+8abc)
8(xy-5z)-(-xy-5z)-7(pq-pr)+(8pq-pr)
-6x-(2x+1)x+(3x-8p)-(5p-2x)
-2(6n+8)-9n8+(8y+7)+(2y+1)
2(ab-6a)-(7a-6b)18(abc-7a)+3(4a+8abc)
5(xy+5z)-(-xy+7z)-8(pq-pr)-(5pq-pr)
-6m+(4m-1)m+(7m-7c)+(3c+3m)
-8(7n-7)+9n3-(4y+4)+(8y-9)
6(ab+6a)+(3a-6b)20(abc-2a)+7(5a-3abc)
4(xy+2z)-(-xy+5z)-9(pq+pr)-(8pq-pr)
9x-(6x+6)6x-(7x+7s)-(6s+8x)
-7(4t+5)+9t7-(5x-10)+(8x-6)
5(ab+9a)-(9a-6b)10(abc+2a)-5(3a+7abc)
3(xy-8z)+(-xy-9z)-2(pq+pr)-(3pq-pr)
-6x+(7x-4)4x-(8x-4c)-(4c-x)
7(4a-5)-2a2+(9y+1)+(6y+5)
7(-ab-6a)+(7a+2b)2(abc-7a)-8(9a+7abc)
4(xy+4z)-(-xy+5z)-3(pq+pr)-(4pq+pr)