七年级数学上册合并同类项练习题精编139.docx
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七年级数学上册合并同类项练习题精编139
8(-ab+2a)+(7a-4b)14(abc-8a)-8(7a-5abc)
4(xy-4z)-(-xy-9z)-2(pq+pr)-(5pq+pr)
9y+(7y-5)8y-(5y-5q)-(5q-y)
6(8n-8)+5n3-(5n+9)-(2n+1)
6(ab+2a)+(8a-8b)5(abc+9a)-8(3a+9abc)
4(xy+4z)+(-xy+3z)-2(pq-pr)-(7pq-pr)
6n-(4n-3)3n+(3n-4s)-(5s+9n)
7(7m-6)-8m8+(4n+5)-(5n-9)
4(ab+7a)-(6a+3b)18(abc-5a)-7(5a-2abc)
3(xy+4z)+(-xy+6z)-5(pq-pr)-(7pq-pr)
-2a-(4a+1)9a+(3a+6p)+(6p+2a)
-6(4m-1)+9m6+(8n-3)+(9n+5)
6(ab+2a)-(5a-5b)7(abc-2a)+8(6a-6abc)
2(xy-2z)+(-xy-8z)-4(pq+pr)-(2pq+pr)
4m+(8m+3)m+(6m+4d)-(4d-m)
2(8m-6)-8m8+(7x+9)-(9x-6)
9(ab-3a)-(8a+8b)8(abc-7a)+6(4a+7abc)
6(xy+9z)+(-xy+7z)-7(pq-pr)+(7pq+pr)
6y-(5y-2)2y-(6y-3q)-(4q+5y)
-6(8m+8)-8m6+(5n-7)-(8n-3)
4(ab-6a)+(6a-6b)6(abc+6a)-9(7a-9abc)
2(xy-2z)+(-xy-8z)-7(pq+pr)-(6pq+pr)
-6m-(8m-2)m+(3m+9z)-(6z-7m)
-6(2n+10)-4n9+(6a-10)-(6a+9)
5(ab-5a)+(6a+9b)6(abc+2a)+5(6a-6abc)
4(xy+6z)+(-xy-7z)-5(pq-pr)+(4pq+pr)
-4n+(8n+4)n-(8n-5z)+(5z-n)
5(7s+6)+8s1+(8a+8)+(3a+1)
2(-ab+9a)-(6a+3b)5(abc+4a)+4(2a+6abc)
7(xy-8z)+(-xy-9z)-3(pq+pr)-(2pq-pr)
3x+(2x-2)x-(5x+7c)-(9c+2x)
9(3a-2)-4a9-(2b+1)+(9b-8)
4(ab+2a)+(8a+7b)7(abc-6a)-8(7a+4abc)
3(xy+6z)+(-xy+4z)-3(pq-pr)+(8pq-pr)
-4a+(9a+5)a-(4a-3z)-(7z-a)
7(7n-4)-6n7-(7n+10)-(8n+2)
5(-ab-2a)-(2a-9b)6(abc-5a)+6(9a-2abc)
7(xy+2z)-(-xy-6z)-4(pq-pr)+(4pq+pr)
7y+(4y-7)y-(8y+8s)+(8s+2y)
9(3a+3)-7a7+(9b+3)+(8b+3)
9(ab-7a)-(9a+3b)3(abc+8a)+3(8a-2abc)
6(xy-8z)+(-xy-9z)-6(pq+pr)+(2pq-pr)
7n+(8n+8)6n+(2n-7s)+(2s+9n)
-3(3n-2)+4n5+(8b-10)-(2b-8)
6(-ab-4a)-(2a-5b)10(abc-3a)-8(2a-5abc)
2(xy-7z)-(-xy+7z)-2(pq-pr)+(3pq+pr)
-4m-(8m-7)9m-(4m-6c)-(7c+7m)
-7(5m-5)-7m1+(6n+10)+(2n+10)
8(ab-7a)-(4a-7b)13(abc-3a)-7(3a+4abc)
3(xy+2z)+(-xy+8z)-3(pq-pr)+(7pq+pr)
-4x+(8x-7)x-(7x-2s)+(6s+5x)
-9(6a+9)-9a6+(4x+8)+(9x+10)
7(ab-7a)-(3a-4b)14(abc+2a)-2(5a-9abc)
4(xy+5z)-(-xy+6z)-2(pq-pr)+(3pq-pr)
8m+(5m-3)8m-(9m-2d)+(2d-3m)
-2(6t-2)+2t10+(8y+4)+(7y-3)
2(ab-9a)+(9a-5b)7(abc-5a)-6(6a+5abc)
5(xy-7z)+(-xy+8z)-3(pq-pr)-(6pq-pr)
8n-(2n+9)n+(5n+7c)+(6c-5n)
2(5m-1)+3m1+(7y+7)+(7y+8)
8(ab-9a)+(4a+9b)18(abc+6a)-3(9a+4abc)
4(xy+3z)+(-xy+4z)-8(pq-pr)+(9pq+pr)
-4b-(6b-9)4b+(3b+9q)-(5q-b)
-7(4n-2)+6n6-(7y+4)+(2y+8)
5(ab+5a)-(6a-2b)7(abc-4a)+5(5a-6abc)
3(xy+9z)+(-xy+7z)-4(pq+pr)+(5pq-pr)
4b-(2b-8)9b+(8b-9d)+(5d-8b)
2(7s+10)+7s1+(6m-1)+(5m+4)
5(-ab+3a)+(5a+2b)9(abc+6a)-6(9a+4abc)
5(xy-3z)-(-xy-9z)-2(pq+pr)+(7pq-pr)
-7b+(6b-2)b-(6b-5c)-(2c+b)
7(9m-3)-2m10-(6y+9)+(7y+10)
7(-ab-7a)+(3a+2b)4(abc-7a)-7(2a+8abc)
2(xy+3z)-(-xy+4z)-5(pq-pr)+(2pq-pr)
9n+(5n-8)3n+(5n-2d)+(8d+3n)