七年级数学上册合并同类项基础练习题55.docx
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七年级数学上册合并同类项基础练习题55
7x-(7x+5)5x-(8x-6d)-(3d+x)
8(4s-4)+7s1+(9x-7)-(2x-4)
3(-ab-7a)-(6a-7b)13(abc-5a)-9(8a-9abc)
8(xy+6z)-(-xy+4z)-6(pq-pr)-(4pq+pr)
9b+(3b+3)b+(9b-3z)+(4z+b)
-6(4a-1)+2a1+(6y-7)-(8y-3)
2(ab-8a)-(9a-4b)10(abc+5a)+9(9a-3abc)
7(xy+4z)-(-xy-7z)-8(pq+pr)-(9pq+pr)
3x+(7x+8)x-(9x+7z)+(6z-x)
3(8t+4)+9t5+(8a-3)+(3a+7)
9(-ab+2a)+(5a-6b)15(abc+7a)+4(2a+4abc)
6(xy+4z)+(-xy-5z)-8(pq+pr)+(3pq+pr)
-5n-(7n+8)n+(4n-6p)+(2p+2n)
6(5n+10)+9n8-(7b+10)-(9b+8)
2(-ab+8a)-(8a+6b)2(abc+3a)-8(9a-5abc)
5(xy+9z)-(-xy+9z)-4(pq-pr)+(5pq-pr)
-8y-(4y-2)y-(6y+8z)-(4z+y)
7(7t+3)-3t7-(7a+7)+(8a-2)
3(-ab-9a)-(3a-9b)10(abc+7a)+8(3a+2abc)
2(xy-3z)-(-xy-5z)-5(pq+pr)-(2pq+pr)
-6n-(6n-8)n-(8n-2q)+(6q+n)
6(5n-7)-4n6-(5x-3)+(2x+9)
6(-ab-2a)-(8a+4b)10(abc+3a)+5(3a+2abc)
9(xy-7z)+(-xy+4z)-9(pq+pr)+(6pq-pr)
-2b+(9b-9)7b+(9b-5s)-(3s+8b)
8(2n-10)-7n7+(5y+4)-(5y-8)
7(ab+5a)+(9a-4b)2(abc+8a)-8(4a-8abc)
3(xy+5z)+(-xy+9z)-2(pq-pr)+(8pq-pr)
7n+(4n+3)n+(3n-2p)+(7p+5n)
4(9s+4)-4s10-(8y-3)+(4y+7)
3(-ab-7a)-(6a-9b)4(abc+4a)+8(3a+9abc)
6(xy+6z)+(-xy-7z)-5(pq+pr)+(9pq-pr)
-4m+(3m+2)m+(5m+7z)+(2z-7m)
-7(5b-10)-6b3-(2a-9)-(5a+2)
4(ab-6a)-(6a+5b)12(abc-4a)+7(9a-4abc)
6(xy+3z)+(-xy+2z)-6(pq+pr)+(8pq+pr)
9y+(9y+2)6y-(5y+9q)+(8q-4y)
3(8a-5)-5a6+(8x-6)+(2x-9)
4(-ab+9a)-(4a-5b)17(abc-2a)-3(4a+7abc)
8(xy+3z)+(-xy+2z)-7(pq-pr)-(9pq-pr)
9x-(4x+5)x+(4x-7c)+(7c-7x)
-3(9b-7)-9b2+(9n-2)-(3n+2)
3(ab+8a)+(9a-3b)6(abc-6a)+2(6a+5abc)
2(xy-4z)-(-xy-4z)-4(pq+pr)-(4pq+pr)
-4m+(9m-7)m+(9m+3p)+(7p+m)
-9(2a-2)-7a7+(4a+2)+(2a-6)
2(ab+2a)-(5a+2b)15(abc-5a)+7(7a-5abc)
6(xy+4z)+(-xy+4z)-2(pq+pr)-(4pq-pr)
-5a+(7a+4)5a-(8a+2p)-(8p+5a)
-2(8n-6)-2n7+(5a+3)+(8a-4)
4(ab-3a)-(2a+2b)12(abc-4a)-8(2a+6abc)
5(xy+3z)+(-xy+7z)-9(pq-pr)+(9pq+pr)
-9b-(4b+9)b+(2b+3c)-(3c+9b)
-6(5n+2)-4n8-(8y+9)+(4y+1)
8(ab-7a)-(7a-8b)5(abc+3a)-7(2a-3abc)
9(xy+7z)-(-xy+3z)-2(pq-pr)+(4pq-pr)
7x-(4x+6)8x-(6x+4p)+(2p-x)
-5(2s-3)-8s2+(8x-6)-(5x+10)
2(ab+5a)+(9a-8b)8(abc+6a)-7(7a-7abc)
2(xy-6z)+(-xy+2z)-2(pq-pr)+(3pq+pr)
8m-(4m-8)5m+(5m+7d)-(9d-m)
6(9b-3)-6b9+(4x-8)+(9x+1)
5(ab-3a)+(8a+4b)4(abc+4a)-7(3a-2abc)
2(xy-9z)+(-xy-9z)-9(pq+pr)+(7pq-pr)
5x-(6x-8)5x-(5x-3q)+(3q+x)
-6(4t-4)+8t6+(5b+8)-(6b-1)
4(ab+5a)-(7a+4b)12(abc-5a)+5(9a-7abc)
3(xy+4z)-(-xy-5z)-2(pq+pr)-(8pq-pr)
7y-(5y+9)y+(3y+2z)-(9z+4y)
2(4b+10)-7b9-(7n+7)-(3n-6)
5(ab+6a)+(6a-8b)20(abc-2a)+7(6a+7abc)
6(xy+7z)-(-xy-8z)-6(pq-pr)+(5pq+pr)
2m+(2m-3)5m-(6m-7d)+(6d+3m)
5(6s-5)+3s6-(2a-3)-(7a+6)
8(ab-9a)-(9a+8b)2(abc-6a)-8(2a+6abc)
3(xy-3z)+(-xy-7z)-3(pq+pr)+(6pq+pr)
-9n+(9n-5)7n-(5n+3p)+(2p+9n)
-3(9s+4)-6s6-(9n-1)+(6n-10)
2(ab-5a)+(8a+3b)3(abc-4a)-8(9a+9abc)
2(xy+9z)+(-xy-9z)-8(pq+pr)+(9pq-pr)
2x+(4x+9)x-(9x+4s)-(2s-5x)
2(5s-2)+8s1+(6x-7)-(4x-6)
8(ab+9a)-(6a-9b)17(abc+8a)-3(8a+7abc)
9(xy-7z)-(-xy-4z)-4(pq+pr)+(5pq+pr)
-6y-(4y+6)7y-(2y-3s)+(7s+4y)
-4(5t+7)+8t9+(6x-6)-(5x+1)
8(ab+6a)-(2a-2b)10(abc-8a)+2(8a-5abc)
7(xy-2z)+(-xy-6z)-4(pq-pr)-(6pq-pr)
5a+(4a-3)a-(3a+4q)-(8q-5a)
8(7s-9)-9s3-(4m+9)-(6m+1)