七年级数学上册合并同类项练习题精编216.docx
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七年级数学上册合并同类项练习题精编216
-2(9m+2)-6m5-(7m+2)-(6m-6)
7(ab+2a)-(3a-9b)4(abc+6a)+8(7a-5abc)
6(xy-6z)+(-xy-8z)-6(pq-pr)-(6pq-pr)
5x+(7x-5)x-(6x+7s)+(5s-x)
5(8m-6)+7m7+(8a-2)+(4a-9)
9(ab+7a)+(4a-4b)6(abc+6a)+8(5a-4abc)
2(xy+6z)-(-xy+6z)-5(pq-pr)-(9pq+pr)
3n-(8n-4)n+(7n-6d)-(4d+n)
-6(5n+9)-2n2+(2x-10)-(3x+1)
3(ab+2a)-(2a+9b)10(abc-6a)-6(4a-5abc)
9(xy+8z)-(-xy-4z)-5(pq-pr)-(4pq+pr)
-4a+(4a+6)3a+(9a-9d)+(6d-a)
-7(6s-4)-7s6+(8y+3)-(7y+9)
2(-ab-5a)-(3a-3b)18(abc-9a)-3(4a+4abc)
9(xy+6z)-(-xy-6z)-6(pq-pr)+(6pq+pr)
-6x-(6x+4)x+(3x-3c)+(4c-3x)
5(3s-7)+5s5-(5x+9)-(8x-3)
4(-ab-8a)-(2a-3b)6(abc+5a)-4(8a+2abc)
6(xy-5z)-(-xy-7z)-8(pq-pr)-(2pq+pr)
6n+(3n+3)2n+(8n-6c)+(7c-n)
2(8t-10)+3t5-(8n-8)-(9n+9)
2(-ab+4a)-(8a-3b)20(abc+2a)+5(9a-9abc)
6(xy-7z)-(-xy+3z)-3(pq-pr)-(4pq-pr)
5n+(3n-3)n+(3n-9z)+(9z-n)
2(8a+4)+5a6-(3y-10)-(6y-10)
2(-ab+5a)+(7a-9b)5(abc-4a)-4(9a+3abc)
6(xy+3z)-(-xy+7z)-3(pq-pr)-(8pq-pr)
-7y+(5y-3)2y+(3y-2c)-(4c-3y)
8(4m-8)-8m9-(3n+10)+(3n-3)
7(-ab-9a)+(9a+6b)20(abc+8a)+2(8a+8abc)
4(xy-6z)-(-xy+3z)-6(pq+pr)+(5pq+pr)
-5y-(3y-8)6y+(5y-2p)+(2p-y)
3(7t+6)-4t4+(7y+7)-(7y+9)
6(ab+7a)+(4a-2b)15(abc+5a)+8(8a+4abc)
9(xy+9z)-(-xy-8z)-7(pq+pr)+(4pq-pr)
7y-(2y-5)y+(4y-5c)+(4c-y)
-7(5t-2)-5t10+(2y+9)+(3y-10)
7(ab-8a)+(3a-8b)2(abc-5a)+8(2a-9abc)
5(xy+7z)-(-xy+3z)-3(pq-pr)+(8pq+pr)
6n+(8n-7)2n+(8n+3s)-(9s-2n)
6(7n-7)-4n7+(6y+1)-(7y+10)
7(-ab-2a)-(7a+7b)9(abc-8a)+9(2a+8abc)
9(xy-6z)+(-xy-7z)-7(pq-pr)-(6pq+pr)
5m-(5m+2)5m+(5m+7c)-(9c-m)
8(8m-2)+4m9-(4b-4)-(8b+3)
7(-ab+6a)+(7a+5b)14(abc-6a)+3(7a+8abc)
2(xy+5z)-(-xy+3z)-5(pq-pr)-(9pq+pr)
-2m-(6m-8)m+(6m-3z)+(9z-m)
-7(9m+10)-7m9+(4x+2)+(6x-7)
6(-ab-8a)-(9a-4b)5(abc+9a)-7(4a-8abc)
2(xy+7z)-(-xy-4z)-6(pq-pr)+(3pq+pr)
7y-(8y-5)9y+(8y+9c)-(9c-2y)
-9(7b+8)+8b6+(5y+5)-(8y+3)
2(-ab+8a)+(5a-6b)7(abc-4a)-4(7a+5abc)
4(xy-7z)+(-xy+3z)-7(pq+pr)-(7pq+pr)
-3x-(3x-6)8x-(8x-3p)-(8p+x)
-6(8a-2)+3a2-(4m-6)+(8m-6)
9(-ab+8a)+(9a+7b)6(abc-6a)+5(3a+6abc)
5(xy+7z)-(-xy-4z)-7(pq+pr)+(5pq+pr)
-6x-(9x+6)x+(9x+2c)-(7c-3x)
4(8b-4)+9b7-(3y+3)+(2y-9)
7(-ab-9a)-(6a+6b)5(abc+8a)+5(4a-9abc)
6(xy-6z)-(-xy-8z)-5(pq-pr)+(5pq+pr)
2m-(6m+6)6m+(8m+2d)+(8d+5m)
6(5t-7)+7t10-(6b+7)+(5b+8)
6(ab-4a)+(5a-8b)12(abc-5a)+8(6a+3abc)
2(xy+7z)+(-xy+3z)-3(pq+pr)+(9pq+pr)
4x+(2x-5)x+(7x-7s)+(3s-7x)
-9(4b-5)-2b10+(8x+2)-(6x+10)
4(-ab+2a)-(6a+5b)4(abc+6a)+5(4a+4abc)
6(xy-5z)+(-xy+8z)-3(pq+pr)-(5pq+pr)
8y+(5y-6)6y+(6y-7s)+(7s+y)
-3(9m-3)+6m9+(7a+4)+(5a+7)
8(ab-5a)+(6a-3b)13(abc-2a)-8(5a-8abc)
9(xy-4z)+(-xy+5z)-3(pq-pr)-(7pq+pr)