七年级数学上册合并同类项基础练习题63.docx
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七年级数学上册合并同类项基础练习题63
9a+(3a-6)8a-(9a+2z)-(5z+7a)
-3(4n-8)+9n9-(9b+1)+(8b-6)
8(-ab-9a)+(2a+7b)18(abc+3a)+6(5a-6abc)
4(xy-2z)-(-xy+9z)-4(pq+pr)-(6pq-pr)
-9b+(7b-1)3b-(5b+2q)-(5q+b)
2(6s+7)+3s3-(8y-3)+(4y-6)
3(-ab+2a)-(5a+9b)3(abc-6a)+8(4a+3abc)
9(xy-5z)+(-xy+9z)-4(pq+pr)+(7pq+pr)
7y-(8y+5)y-(9y+3d)+(8d+y)
6(9b-5)+8b9-(6x-10)+(9x+2)
5(-ab-8a)+(9a-8b)12(abc-5a)+8(2a-5abc)
5(xy-3z)+(-xy+8z)-2(pq-pr)+(3pq+pr)
-9n-(6n+1)n+(3n+5q)+(8q+9n)
-6(8a+2)-4a9+(6n+4)+(4n+7)
5(-ab-8a)-(4a-5b)8(abc+5a)+5(3a+6abc)
5(xy+7z)+(-xy+7z)-2(pq-pr)-(3pq-pr)
-3a-(3a-3)4a+(6a-9q)-(2q+5a)
2(6a-2)+2a6+(3n+8)-(3n-6)
5(-ab+5a)-(9a+9b)8(abc-3a)-3(8a+4abc)
6(xy-8z)-(-xy-2z)-8(pq-pr)-(9pq+pr)
7x+(3x+9)x-(6x-8p)+(4p+2x)
-3(5b+5)-6b2+(6n-3)+(4n-5)
8(ab-4a)-(5a-7b)8(abc-5a)-8(9a+8abc)
5(xy+7z)-(-xy-3z)-2(pq-pr)-(3pq-pr)
-2x-(6x+3)x+(7x-2p)-(8p-3x)
2(5n+7)-4n5-(5a+1)+(5a-1)
9(ab+4a)+(6a+7b)16(abc+4a)-2(9a-4abc)
9(xy+9z)+(-xy-7z)-9(pq+pr)-(5pq+pr)
2a+(6a+6)5a-(7a+6s)-(4s-a)
3(4b+8)+9b9-(7b-8)+(5b-9)
9(-ab+4a)+(8a-2b)17(abc+6a)-6(8a-8abc)
3(xy+7z)-(-xy+7z)-3(pq-pr)-(7pq-pr)
8n+(8n+3)7n+(2n-9q)+(8q-4n)
5(8a+10)-3a6-(9b-7)-(3b+2)
4(-ab+3a)+(5a-7b)15(abc+2a)-4(9a+3abc)
9(xy-5z)+(-xy+3z)-8(pq+pr)+(8pq+pr)
8x-(4x+9)7x+(4x+7z)+(4z+6x)
8(3a-3)-3a9+(4x+1)-(3x-9)
5(ab-7a)+(7a-7b)12(abc-5a)+9(8a+5abc)
6(xy+8z)+(-xy+2z)-5(pq+pr)-(3pq+pr)
2n+(8n+3)6n+(3n-9d)+(7d-8n)
-5(2s-7)+3s9-(7m-4)+(7m+4)
3(-ab-7a)+(6a+4b)7(abc+9a)-4(9a+4abc)
3(xy+7z)+(-xy-8z)-7(pq+pr)+(6pq-pr)
-9n+(9n+6)n+(2n+8p)+(4p-6n)
-6(4m-3)+7m8-(2x-5)-(2x-8)
7(ab-9a)+(4a+5b)6(abc+3a)+8(6a-4abc)
7(xy-7z)-(-xy-7z)-8(pq+pr)-(5pq+pr)
3x-(4x+2)7x+(3x-5z)-(9z-x)
8(2a-2)-9a5-(4y-4)-(5y+4)
4(-ab+3a)-(3a-9b)6(abc-2a)+7(9a-2abc)
9(xy+9z)+(-xy+7z)-5(pq+pr)-(2pq+pr)
2n+(6n+3)2n-(9n-8d)-(8d+n)
-9(9b+4)+4b10+(3a-7)-(2a+3)
3(ab+4a)-(7a-3b)2(abc+6a)-9(5a+5abc)
9(xy-6z)+(-xy-4z)-8(pq-pr)-(3pq+pr)
9n-(9n+3)n+(6n+5c)-(3c-n)
-3(8t-8)-8t5+(5m+3)-(9m-9)
5(ab+4a)+(8a-8b)16(abc+9a)-9(7a-2abc)
3(xy+4z)-(-xy+6z)-5(pq+pr)+(8pq+pr)
9y+(4y-9)y+(6y+5q)+(9q+9y)
-8(7s-1)-9s7+(2a+5)-(5a-10)
2(ab-4a)-(5a+3b)12(abc-9a)-3(7a+2abc)
2(xy+8z)+(-xy-3z)-3(pq-pr)+(8pq+pr)
-6x-(8x-3)x+(7x+8c)+(9c-8x)
-2(4s+4)+3s3+(4a-4)+(6a-8)
2(ab+7a)+(4a+3b)13(abc-4a)+3(4a-3abc)
4(xy+7z)-(-xy-6z)-6(pq+pr)-(8pq-pr)
-7b+(6b+9)b-(8b-9z)-(6z+b)
-7(7s+8)-5s3-(2b-4)-(7b-10)
3(-ab+7a)+(2a+7b)10(abc-6a)-8(4a-9abc)
5(xy-6z)+(-xy-3z)-2(pq+pr)-(6pq-pr)
-5x-(4x-9)5x+(6x-7s)+(2s+9x)
3(3t-9)-4t7+(2y+8)-(9y-5)
3(-ab+7a)-(3a-9b)13(abc-4a)+6(9a+4abc)
2(xy-3z)-(-xy+4z)-7(pq-pr)+(6pq-pr)
-7x+(5x+2)x-(2x-5q)+(4q-6x)
-3(9m-1)-9m10+(5x+9)+(6x-6)
4(-ab+2a)-(3a+9b)13(abc+9a)+7(3a-6abc)
3(xy+9z)+(-xy+5z)-3(pq-pr)+(5pq+pr)
6a-(4a+3)9a-(8a+3s)-(3s-7a)
5(4a-5)+8a9+(2y+6)-(5y+3)
9(-ab+9a)+(7a-2b)20(abc-7a)+5(3a+8abc)
7(xy+9z)-(-xy+7z)-5(pq-pr)+(5pq-pr)
4b+(2b-9)b-(4b+4p)-(7p+b)
9(6s+9)+4s8+(2n+10)-(2n+8)
7(-ab+7a)+(5a+9b)10(abc-4a)-4(3a-5abc)
6(xy-7z)+(-xy-2z)-6(pq-pr)-(8pq+pr)
2m-(5m+9)8m-(3m+8z)-(4z+m)
-7(9t+7)+3t4+(4y-6)+(2y-10)