七年级数学上册合并同类项基础练习题239文档格式.docx
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-2a+(6a-1)a-(9a+9z)-(8z+6a)
-9(6s+1)-3s6-(7x-1)-(9x+8)
5(-ab-6a)+(4a-3b)15(abc-8a)-9(3a-8abc)
6(xy+6z)+(-xy-5z)-9(pq+pr)-(8pq-pr)
6a+(3a-9)9a-(3a-3p)-(4p-a)
7(9m-8)-9m6+(6x+5)-(8x-1)
8(ab-7a)+(8a+7b)20(abc-9a)+2(6a-2abc)
3(xy+4z)+(-xy-3z)-2(pq-pr)+(2pq-pr)
-9b+(4b+8)b+(6b+8s)-(2s-5b)
-8(3s-8)-4s5-(9m+10)-(7m+5)
8(ab-3a)+(4a-6b)10(abc-2a)+3(9a-8abc)
9(xy+2z)-(-xy+7z)-3(pq-pr)-(5pq-pr)
4b+(5b+8)5b+(7b-5z)-(8z+6b)
3(6t+5)-9t2-(6m+6)+(4m-6)
5(ab+7a)-(4a+8b)15(abc-9a)-6(6a-2abc)
6(xy+4z)-(-xy+3z)-9(pq+pr)+(5pq-pr)
-8n+(2n+6)n+(9n+7c)+(8c-n)
-5(4n-2)-5n6-(5m+4)-(2m+7)
7(ab-5a)-(9a-5b)10(abc+4a)+6(3a+3abc)
6(xy+5z)+(-xy+3z)-8(pq+pr)+(4pq-pr)
-5a+(5a-7)a+(8a+6q)+(3q+a)
2(6t+9)+4t2+(4x+1)+(9x+10)
4(ab-8a)-(7a+4b)17(abc+4a)+5(3a+4abc)
7(xy+5z)-(-xy+2z)-6(pq+pr)+(4pq+pr)
-5b-(6b-2)b-(8b+2q)-(9q+8b)
-3(3b+7)+2b8+(7x+1)+(6x+2)
6(ab+9a)-(9a+4b)8(abc+4a)+2(4a+9abc)
6(xy-8z)+(-xy+3z)-3(pq+pr)-(6pq-pr)
-4n+(2n-1)n-(7n+5c)+(2c+n)
-6(5s-9)+5s9-(6a-2)+(4a+8)
7(-ab-8a)-(3a+9b)7(abc+4a)+5(9a+8abc)
4(xy+8z)-(-xy+8z)-5(pq-pr)-(3pq+pr)
-4b+(8b-9)2b+(2b-2q)+(8q+6b)
5(9s+7)+5s9+(8m-1)+(6m-10)
8(-ab-7a)-(3a+7b)5(abc+8a)+6(7a-6abc)
2(xy-6z)-(-xy-2z)-4(pq+pr)+(3pq+pr)
-6a+(2a-1)a-(3a+8q)+(4q-3a)
9(7m-3)-4m2-(5m-9)-(6m-10)
6(ab-4a)+(9a-9b)6(abc+2a)-9(5a-6abc)
7(xy+7z)+(-xy+4z)-8(pq-pr)-(8pq-pr)
-4x-(8x-7)x+(6x-5z)+(9z-6x)
8(5b-4)+9b3-(5b-1)-(7b+6)
5(ab+6a)+(9a+6b)6(abc-2a)+9(5a-6abc)
5(xy-9z)+(-xy-4z)-5(pq-pr)-(4pq+pr)
8a+(8a+5)5a+(9a+6d)+(9d+9a)
3(9n+10)+6n5-(2x+4)-(8x-8)
3(-ab-2a)-(7a+6b)3(abc+8a)+9(6a+8abc)
8(xy-5z)-(-xy-5z)-2(pq+pr)+(6pq-pr)
8m+(7m-3)8m-(6m+3q)+(4q-2m)
-4(6s-6)-8s6-(4x+3)-(8x-6)
5(ab-6a)+(2a-3b)15(abc+2a)+8(6a+3abc)
8(xy+9z)-(-xy+2z)-7(pq+pr)+(5pq-pr)
3b-(2b-7)5b+(3b-6q)-(7q-4b)
-7(3a+2)+3a6+(8m+1)+(6m-10)
3(ab+7a)-(3a+8b)4(abc+2a)-7(2a-4abc)
7(xy-6z)-(-xy+5z)-3(pq-pr)-(6pq-pr)
2a-(5a-4)a+(5a-8q)-(9q+a)
-5(3t+5)+3t9+(6a+5)-(6a-6)
3(ab+6a)-(9a+8b)8(abc-6a)+8(8a-8abc)
2(xy+7z)-(-xy-7z)-3(pq-pr)+(9pq+pr)
-4m+(5m-8)m+(7m+9z)-(2z+m)
7(3b-10)-2b3-(3x-1)-(7x+4)
8(ab+7a)-(3a-5b)14(abc-4a)-4(6a+2abc)
5(xy-4z)-(-xy-6z)-8(pq-pr)-(2pq-pr)
7n-(3n+1)n+(4n+3d)-(3d-4n)
-9(6a+1)+6a3-(7y+7)+(2y-9)
5(-ab-3a)+(3a-5b)19(abc+6a)-3(8a-5abc)
8(xy+7z)-(-xy+2z)-5(pq-pr)-(5pq-pr)
-3m-(8m-6)8m-(9m+6d)-(2d-7m)
-7(4a+6)+4a6-(8m-5)-(8m+7)
5(-ab-8a)-(4a-4b)10(abc-7a)+6(6a-6abc)
3(xy-7z)-(-xy+4z)-3(pq+pr)-(3pq+pr)
3x+(4x-8)6x-(7x-2p)+(3p+8x)
8(7n-6)+4n9-(9m+7)-(2m-1)
5(-ab-7a)+(8a+3b)16(abc+7a)+3(6a-9abc)
9(xy+8z)-(-xy-6z)-5(pq+pr)+(2pq+pr)
-5a+(6a-2)a+(8a-8z)-(8z+a)
3(5n-5)+5n9+(7b+9)+(9b-3)
5(-ab+5a)-(7a+8b)11(abc+9a)-7(8a-3abc)
6(xy-5z)+(-xy+9z)-7(pq-pr)+(4pq+pr)
4a-(7a-1)6a-(4a-2p)+(4p-a)
4(5a-7)+3a10+(3n-10)+(6n+6)