七年级数学上册合并同类项练习题精编207.docx
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七年级数学上册合并同类项练习题精编207
4(-ab+5a)+(5a+3b)5(abc-2a)+4(9a-3abc)
3(xy-5z)+(-xy+9z)-9(pq-pr)-(3pq+pr)
-6b-(2b-1)6b+(4b-3d)+(6d+b)
-2(4a-8)+8a9-(6a+4)-(3a+7)
3(-ab+8a)-(7a-7b)10(abc+7a)+6(7a+7abc)
9(xy-9z)+(-xy+7z)-7(pq-pr)+(8pq+pr)
4m+(8m+4)4m+(8m-7c)-(8c+5m)
-9(7n+3)-7n8+(2b+2)-(7b-1)
6(-ab+7a)-(3a-6b)17(abc-5a)+4(2a-8abc)
4(xy-4z)+(-xy+9z)-5(pq-pr)-(6pq-pr)
6x-(8x-6)6x+(2x-8z)-(3z-x)
-5(7b-5)+3b10+(4n+10)-(4n-2)
9(ab+9a)-(3a+6b)19(abc+6a)+3(8a+6abc)
9(xy+5z)+(-xy-4z)-4(pq+pr)-(3pq-pr)
6m-(9m-6)m+(7m-6q)+(9q-m)
-6(9n-7)-8n7-(3a+8)+(5a+3)
6(ab-7a)-(3a-4b)10(abc+3a)+3(7a+5abc)
5(xy+4z)-(-xy+3z)-4(pq+pr)-(6pq-pr)
8n+(4n+4)n-(8n+2s)-(8s+n)
2(4n+4)-7n6+(7n-7)+(5n-3)
3(ab-5a)-(5a+4b)8(abc-7a)+7(7a-2abc)
4(xy-2z)-(-xy+9z)-9(pq-pr)-(8pq-pr)
-4y+(7y-8)y+(5y-9c)-(6c-9y)
-4(7s-2)+3s3-(9b-10)-(8b+4)
7(ab-5a)+(6a+4b)4(abc-9a)-9(8a+5abc)
7(xy+8z)-(-xy+9z)-7(pq-pr)-(5pq-pr)
8a-(6a-1)a+(5a+5c)-(6c+2a)
-5(9n-4)-9n10-(5y+7)-(6y+10)
8(-ab-7a)+(6a-5b)11(abc+7a)+3(2a+4abc)
9(xy+5z)+(-xy-7z)-2(pq-pr)+(7pq+pr)
6m-(8m-2)8m+(9m-2p)+(5p-5m)
9(3a-6)-8a4-(8m+3)+(2m-8)
9(ab+9a)+(3a+2b)7(abc+2a)+6(7a-2abc)
5(xy+5z)-(-xy-5z)-9(pq-pr)+(4pq-pr)
-2y-(2y+8)y-(9y-7p)-(7p-y)
-2(6t-4)-4t9+(4x-7)+(3x+2)
4(-ab+7a)-(5a+9b)6(abc+2a)-3(2a-5abc)
5(xy-9z)+(-xy+9z)-8(pq+pr)-(3pq+pr)
3m-(9m-9)m-(4m+3s)-(7s-m)
-6(9t-4)+8t3+(4a+10)-(9a-7)
7(-ab-9a)+(8a+8b)3(abc-6a)+4(9a+8abc)
4(xy+9z)-(-xy+4z)-8(pq-pr)+(6pq+pr)
-4n+(9n+6)n-(4n+7z)+(6z+n)
2(2s-3)+8s6+(9m-8)+(5m-5)
9(-ab-3a)+(4a+6b)12(abc-5a)+4(3a+7abc)
6(xy+4z)-(-xy+7z)-6(pq+pr)-(4pq-pr)
4y-(2y+1)8y-(7y-7d)+(3d+y)
2(7s-6)-4s8+(8m-7)-(3m-8)
5(-ab+8a)+(8a-6b)5(abc+7a)+9(4a-5abc)
2(xy-8z)+(-xy-8z)-2(pq+pr)-(6pq-pr)
2x-(3x-5)x-(4x-6q)-(4q-x)
-4(4a-6)+8a8-(7a+6)+(8a+4)
5(ab+4a)+(5a-8b)20(abc+3a)-8(4a+4abc)
5(xy-9z)-(-xy-4z)-9(pq+pr)-(2pq+pr)
7m+(2m+9)3m+(3m-6z)-(2z+7m)
5(2b-1)-9b2-(2a+7)+(2a+1)
8(-ab+8a)-(2a+5b)3(abc+9a)-8(9a+8abc)
5(xy+9z)+(-xy-5z)-8(pq+pr)+(9pq+pr)
6y+(8y-6)2y-(8y+6p)+(5p-7y)
8(8s-2)+8s5+(6y+10)+(9y+10)
3(-ab+2a)+(3a-7b)16(abc+9a)+9(6a-4abc)
6(xy-3z)-(-xy-6z)-9(pq-pr)+(3pq-pr)
7x-(7x+4)5x-(5x-4p)+(3p-x)
7(7s-3)+5s10+(9n-4)+(8n+6)
4(-ab+3a)-(9a+7b)9(abc-3a)-2(7a+9abc)
3(xy-7z)-(-xy-5z)-4(pq-pr)-(8pq-pr)
6b-(6b-1)4b+(9b+2q)+(6q+7b)
9(5m+1)+6m9+(9x+3)-(9x-7)
5(-ab+9a)-(8a-2b)12(abc+4a)+9(9a-9abc)
5(xy+8z)+(-xy-4z)-3(pq-pr)+(8pq+pr)
-7m-(9m+1)3m-(4m-7z)-(2z-m)
2(7a+4)+7a8+(6a-5)-(2a-7)
9(-ab-3a)+(7a+4b)9(abc+2a)-2(7a-4abc)
9(xy-4z)-(-xy-8z)-6(pq-pr)-(8pq-pr)
9x+(4x+9)x+(3x+2q)+(6q+5x)