七年级数学上册合并同类项练习题精编229.docx
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七年级数学上册合并同类项练习题精编229
-4n+(7n+5)n+(6n+6z)+(8z-8n)
2(6a-5)+6a6-(3y+10)-(3y+10)
9(ab+2a)+(9a-2b)2(abc+4a)+9(3a+8abc)
6(xy-4z)-(-xy+7z)-2(pq+pr)-(7pq-pr)
4n-(6n-7)n+(2n+5p)+(3p-n)
6(3n+8)+7n10-(9n+9)+(7n+8)
2(-ab-3a)+(9a+6b)20(abc-9a)-3(4a-9abc)
7(xy-8z)-(-xy+3z)-7(pq+pr)+(6pq+pr)
5n+(3n-9)n+(2n-4d)+(3d-n)
-3(3a-4)-6a1-(6x-9)-(6x-3)
7(-ab-2a)+(4a-6b)17(abc+8a)+4(8a+7abc)
7(xy+9z)+(-xy-4z)-2(pq+pr)-(9pq+pr)
-8y+(8y-5)8y-(9y+6z)-(8z-8y)
-2(9a+6)+4a1+(9a+6)+(6a-6)
2(ab+2a)+(8a-2b)4(abc+2a)-5(2a-4abc)
8(xy-6z)+(-xy-5z)-7(pq-pr)-(9pq+pr)
-3m+(7m-4)m+(3m-9s)+(2s-5m)
-4(5n+5)-4n7-(4x+6)-(6x+8)
2(-ab-8a)+(6a-2b)4(abc+9a)-6(2a-8abc)
5(xy-9z)+(-xy-3z)-6(pq-pr)-(8pq-pr)
-8m+(8m+1)m-(4m+3p)+(5p-9m)
-7(9m-8)+5m4-(3n-2)+(6n-6)
4(-ab-6a)+(5a-6b)14(abc+6a)-7(9a+7abc)
5(xy+9z)-(-xy-3z)-8(pq+pr)+(3pq+pr)
4a+(5a-5)a-(9a+7d)-(2d+8a)
9(2n+10)-3n4-(5m-1)-(5m+5)
4(ab+6a)-(3a-6b)17(abc+8a)+3(9a+8abc)
2(xy+6z)+(-xy-2z)-2(pq-pr)-(9pq+pr)
6a+(5a-8)a+(7a-5z)-(6z+4a)
-6(4s+10)+4s8-(7y+2)+(6y-9)
9(ab+3a)-(5a-9b)9(abc-5a)-9(8a+3abc)
8(xy-8z)-(-xy+9z)-5(pq-pr)+(3pq+pr)
-7a-(9a-1)2a-(8a+6d)+(9d+a)
-6(5n+9)-5n8-(9n-8)+(9n+5)
9(ab-9a)+(6a-7b)19(abc-4a)-3(7a+2abc)
5(xy+8z)-(-xy+5z)-8(pq-pr)+(4pq+pr)
-6x+(8x+6)x-(7x-6q)-(3q+2x)
-6(8s+7)+6s8-(9y+10)-(2y+10)
4(-ab-8a)-(3a+3b)12(abc+2a)-3(6a-7abc)
2(xy+2z)-(-xy+7z)-5(pq+pr)+(9pq+pr)
9n-(3n-3)n-(7n+6z)-(2z+n)
2(5t-7)-3t6-(9x+8)+(6x+3)
3(ab-3a)+(9a+6b)20(abc-5a)+6(6a-4abc)
3(xy+7z)-(-xy-6z)-3(pq+pr)+(7pq+pr)
5y+(4y+5)y-(2y-4p)-(6p-9y)
-6(8m+10)-2m8-(5b+9)-(4b-8)
5(ab-5a)+(8a-7b)2(abc+3a)-6(5a-5abc)
5(xy-7z)+(-xy+2z)-8(pq-pr)+(2pq+pr)
5b+(7b-4)b-(9b+5s)+(4s-b)
-9(5n+5)+8n3-(5n+2)-(5n-5)
4(-ab-9a)+(8a+6b)13(abc+5a)-7(4a+8abc)
7(xy-5z)+(-xy+8z)-9(pq-pr)+(4pq+pr)
3n+(9n-4)8n+(8n-2z)+(4z-3n)
3(5b+2)-9b1-(7m-1)-(3m-8)
2(-ab+7a)+(8a+6b)9(abc+9a)+9(8a+6abc)
3(xy+7z)+(-xy-2z)-3(pq-pr)-(3pq+pr)
-2a-(2a-3)a-(5a+6z)+(7z+a)
5(8n-7)+8n7+(9x-10)+(7x-3)
8(-ab-9a)+(9a+9b)14(abc-7a)-4(7a+5abc)
6(xy+6z)+(-xy-6z)-7(pq-pr)-(7pq-pr)
5b-(3b-2)b-(7b-5z)+(8z-b)
-2(6a+3)-8a5+(4n-3)-(6n-6)
5(-ab+6a)-(2a+7b)13(abc+3a)-6(7a-9abc)
5(xy-6z)+(-xy-9z)-2(pq+pr)+(9pq-pr)
8n-(9n-3)6n+(9n+9z)-(3z+n)
-7(4t-4)-9t7+(7x+6)+(6x+9)
3(ab-3a)+(9a+7b)17(abc+2a)+5(2a-7abc)
4(xy+8z)+(-xy-6z)-8(pq+pr)-(4pq+pr)
8x-(8x-2)9x+(5x-7z)+(3z-x)
-7(9t-3)+8t1+(4n+4)+(2n+3)
2(-ab-7a)-(9a+7b)10(abc+7a)+3(7a-7abc)
8(xy-4z)+(-xy-5z)-4(pq-pr)-(6pq+pr)
4y-(2y+9)y-(4y+9s)-(6s+y)
8(7s-2)+8s6-(9m-10)-(6m+5)
7(-ab-5a)+(9a-2b)18(abc-8a)-3(3a-5abc)