七年级数学上册合并同类项练习题精编115.docx
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七年级数学上册合并同类项练习题精编115
6(ab+4a)-(4a-2b)7(abc+5a)-9(7a-7abc)
8(xy+5z)+(-xy+7z)-6(pq+pr)-(6pq-pr)
6a+(3a+3)4a+(3a+6s)+(6s+2a)
-5(7n+1)-3n7+(6a+6)-(8a-2)
5(-ab-4a)-(8a+7b)11(abc-5a)+8(9a-5abc)
4(xy+3z)-(-xy-5z)-8(pq+pr)+(7pq+pr)
7x+(6x-7)x+(6x+5q)-(7q+x)
-5(5n-10)-8n5-(9y+3)+(4y+10)
6(ab+7a)+(5a+7b)4(abc-8a)+6(4a+3abc)
3(xy-6z)-(-xy-2z)-5(pq-pr)-(4pq-pr)
-4x-(7x-7)x+(3x+3d)-(2d-3x)
-9(9t+2)+4t2+(7b+4)-(4b-3)
7(ab-8a)+(3a+5b)4(abc+3a)+7(5a+4abc)
6(xy+3z)-(-xy+6z)-2(pq-pr)-(3pq-pr)
5a-(5a+2)5a-(9a+7d)-(5d+8a)
5(3m+4)+5m3+(5n+10)+(8n-8)
3(-ab+3a)+(7a-2b)17(abc-9a)+4(9a+8abc)
8(xy-4z)+(-xy-5z)-3(pq-pr)-(9pq-pr)
-6m+(6m+3)6m-(3m+9s)-(2s+5m)
6(8a-6)-4a3+(9y-8)+(7y-10)
5(ab+9a)-(5a-6b)15(abc-5a)-3(3a+5abc)
7(xy-5z)-(-xy+5z)-7(pq-pr)+(8pq+pr)
-7n-(7n-4)n-(9n-8p)+(8p+n)
-9(4s+8)+9s2-(9y+9)+(6y+8)
4(ab+8a)-(9a-6b)5(abc+6a)+7(2a+2abc)
6(xy+7z)-(-xy+7z)-2(pq+pr)+(7pq-pr)
5n-(5n+3)n-(4n-5z)+(2z-4n)
3(6m+6)+2m6-(7n-9)-(8n-4)
2(-ab+3a)+(3a-7b)12(abc+3a)+2(5a+9abc)
5(xy+9z)+(-xy+8z)-3(pq+pr)+(3pq-pr)
7x+(7x-7)x+(2x-6d)-(6d-5x)
-2(8m+8)-2m9-(2m-3)+(2m-2)
3(-ab-5a)-(6a-2b)17(abc+9a)+4(5a-9abc)
5(xy-5z)-(-xy-6z)-7(pq-pr)-(5pq-pr)
3n+(6n-7)n+(7n+8p)-(3p+n)
-8(8m-3)+4m7+(5x-1)-(7x+7)
6(-ab-3a)-(7a-6b)7(abc+9a)-2(5a-5abc)
3(xy+2z)-(-xy+2z)-5(pq+pr)+(7pq+pr)
-6a-(5a+3)6a+(4a-8c)-(5c+7a)
-4(6n-8)+4n4-(4y-7)-(5y-8)
2(-ab+3a)-(7a+3b)17(abc-2a)-5(7a-5abc)
5(xy+6z)-(-xy-8z)-9(pq-pr)-(9pq+pr)
2y-(3y+4)y-(9y-6z)+(4z-y)
2(7b-10)-2b5+(8b-1)+(9b+10)
8(ab-2a)-(9a-7b)17(abc-9a)+9(7a+5abc)
4(xy+4z)+(-xy-7z)-4(pq+pr)-(8pq-pr)
7m-(3m+6)m+(2m+9z)-(9z+8m)
-4(6s+6)-8s8-(9n-6)-(2n-4)
3(-ab+6a)+(2a+4b)8(abc+7a)+5(9a+2abc)
2(xy-9z)+(-xy-4z)-2(pq-pr)-(4pq-pr)
-2x-(3x+9)5x-(5x+6p)+(9p-4x)
-8(6b-7)+3b10-(8y-2)-(4y+5)
8(-ab+8a)+(7a+2b)15(abc+6a)+9(3a-9abc)
9(xy+3z)-(-xy-2z)-3(pq+pr)-(6pq-pr)
4b-(4b+8)b+(8b+6z)+(7z-8b)
8(2m-5)-9m8-(8a+3)+(6a+10)
5(ab-7a)+(8a-9b)18(abc+8a)-3(7a+4abc)
7(xy-8z)-(-xy-4z)-4(pq+pr)-(6pq+pr)
6a+(8a+5)a+(8a-2q)+(8q+a)
-8(4a+8)-3a3+(4b-4)+(4b+3)
4(-ab+5a)+(2a-3b)4(abc+5a)-3(6a+6abc)
8(xy+4z)+(-xy-5z)-8(pq-pr)+(8pq+pr)
5y-(9y-3)y+(4y+2d)-(2d-y)
-9(4s-1)-9s4+(4a+6)-(4a+1)
4(ab-2a)+(3a-2b)3(abc-5a)+5(9a+6abc)
4(xy+6z)-(-xy+3z)-7(pq-pr)-(6pq+pr)
-4a+(8a-8)a+(2a+9q)+(8q+8a)
-3(2s+10)-9s4+(9x+9)-(6x-7)
2(ab+4a)-(7a+2b)8(abc-2a)+3(2a+6abc)
9(xy-2z)-(-xy+5z)-5(pq+pr)-(8pq-pr)
-3a-(4a-5)a+(9a+6d)-(9d+a)
8(8b+3)+3b7-(5b+3)-(2b+3)
7(-ab+9a)-(6a-4b)12(abc-6a)+9(2a+7abc)
3(xy-5z)+(-xy-9z)-2(pq+pr)-(6pq+pr)
8m+(3m-2)3m+(8m+3d)-(4d-3m)