七年级数学上册合并同类项基础练习题262.docx
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七年级数学上册合并同类项基础练习题262
9(ab-4a)+(2a-8b)3(abc+9a)+4(7a+4abc)
3(xy+3z)-(-xy-2z)-9(pq+pr)+(8pq-pr)
3a+(3a-5)6a+(4a+7p)+(3p-a)
-2(3t+7)+9t8+(6x-5)-(3x+9)
9(-ab+9a)+(5a-8b)16(abc+2a)+8(9a-7abc)
7(xy-4z)-(-xy+6z)-2(pq+pr)+(3pq-pr)
6m-(5m+9)m-(9m-4p)-(3p-8m)
3(3m+8)+9m7-(6y+8)+(4y-10)
2(ab+7a)+(7a-8b)15(abc+2a)+8(4a-3abc)
5(xy+2z)-(-xy-4z)-3(pq+pr)+(5pq-pr)
-8y-(2y+9)y+(4y-6z)-(8z+y)
-8(8s-7)-8s6-(6y+3)+(5y+2)
5(-ab-7a)-(8a-8b)12(abc+6a)+2(3a+4abc)
5(xy+7z)-(-xy+4z)-4(pq+pr)-(6pq+pr)
-7n-(7n-5)6n-(4n-6s)+(3s-9n)
-3(6n+1)-3n3-(8n+5)-(4n+10)
5(ab+6a)-(4a-3b)17(abc+3a)+5(4a+3abc)
2(xy-9z)-(-xy+6z)-7(pq+pr)-(4pq+pr)
6n-(6n-4)5n+(7n+4q)+(7q-n)
3(8b-4)-7b7-(6b+1)+(6b-7)
5(-ab-3a)-(7a+2b)6(abc+8a)-5(8a-7abc)
7(xy+4z)+(-xy+3z)-7(pq-pr)+(4pq+pr)
-5b-(6b+5)2b+(7b-4s)-(5s-4b)
9(6n+9)-5n8-(4b+4)-(6b+3)
4(ab-5a)+(3a+3b)7(abc+5a)+2(7a+8abc)
6(xy+9z)+(-xy+2z)-3(pq+pr)-(6pq+pr)
-2a+(3a-9)a+(5a+9p)+(9p+6a)
2(7n-10)-9n8+(2m+6)+(9m-2)
9(-ab+6a)+(8a-7b)4(abc+5a)+7(9a-6abc)
3(xy+2z)+(-xy-5z)-2(pq+pr)-(5pq-pr)
7b-(2b+9)6b+(4b+7s)-(8s-b)
6(4m-6)+3m2-(2m-2)+(7m+5)
7(ab+4a)-(7a-7b)3(abc+5a)-8(4a-8abc)
2(xy+2z)-(-xy+7z)-7(pq+pr)+(9pq+pr)
-3a-(3a+2)a-(8a-2d)+(8d-a)
-5(8n-8)-4n2+(4a-4)-(6a+8)
5(ab-7a)-(4a+8b)5(abc-6a)+9(3a-2abc)
8(xy-5z)+(-xy+2z)-7(pq+pr)-(3pq-pr)
2b+(7b-5)b+(7b+3p)+(7p+b)
7(3n-8)-8n2+(6y+7)+(9y+9)
8(ab-2a)+(5a-4b)11(abc+9a)-3(8a+5abc)
5(xy-8z)+(-xy-4z)-9(pq+pr)-(4pq+pr)
4x-(4x-8)x-(3x-8p)-(2p-5x)
-8(9t+7)+2t10-(9m+4)+(6m-7)
3(-ab+8a)+(8a+3b)12(abc+8a)-6(8a+6abc)
2(xy-2z)-(-xy-4z)-9(pq+pr)+(7pq+pr)
5y+(2y+6)y-(6y-7p)-(4p-3y)
7(6b+9)-9b10+(2x+5)-(2x-3)
6(-ab+2a)-(8a-6b)6(abc-8a)+2(3a-9abc)
3(xy+6z)-(-xy+6z)-3(pq-pr)-(3pq-pr)
3b+(2b+8)3b-(6b+3d)+(6d+b)
-5(6n+10)-4n5+(9n-5)-(5n-9)
3(-ab-4a)-(5a-4b)19(abc-2a)+2(2a-5abc)
8(xy+3z)-(-xy+9z)-2(pq-pr)-(6pq+pr)
-7x-(7x+1)5x+(8x+4z)+(8z+x)
9(7b-3)+8b4+(2b-1)+(3b-2)
5(ab+7a)+(7a-3b)17(abc+6a)-6(2a-5abc)
2(xy-5z)+(-xy+6z)-7(pq+pr)-(8pq+pr)
4x+(7x-9)7x+(8x+9c)-(7c+3x)
5(2b-6)-2b10+(7m+4)+(8m+3)
8(-ab-8a)+(8a+7b)7(abc+5a)-5(5a+8abc)
4(xy-5z)+(-xy+2z)-4(pq-pr)+(4pq-pr)
-3m-(7m+6)4m-(8m-7q)+(4q-9m)
2(3t+8)-5t1-(5m+5)+(2m-8)
6(-ab-6a)+(3a+2b)10(abc+3a)+6(6a-8abc)
3(xy+2z)+(-xy+3z)-5(pq+pr)-(4pq-pr)
-6m-(3m-5)m+(8m-4p)-(4p-m)
2(3t-10)-9t5-(4a+4)-(6a-2)
8(ab+8a)+(7a-8b)20(abc-6a)-3(4a-8abc)
7(xy+7z)+(-xy-3z)-8(pq+pr)+(5pq-pr)
4x-(6x+8)6x+(9x-3d)-(4d-x)
-4(2t-3)-5t4+(4a+10)-(6a+5)
9(ab+2a)+(2a-3b)2(abc-7a)-3(6a+8abc)
4(xy-6z)+(-xy+2z)-6(pq+pr)-(4pq-pr)
-2n+(9n+6)2n+(4n-6c)-(7c+4n)
-7(8s+7)+5s1-(9n+1)+(9n+1)
4(-ab-3a)-(4a-6b)2(abc-8a)+3(3a-9abc)
5(xy+8z)+(-xy-3z)-2(pq+pr)-(6pq-pr)
-4m+(7m-4)4m+(4m-6p)-(2p+m)
5(3s-2)+5s10-(8b+6)+(2b-9)
2(ab+2a)-(2a-3b)12(abc-4a)-8(3a-7abc)
6(xy-2z)+(-xy-4z)-6(pq+pr)-(3pq+pr)
-3a+(2a-4)2a-(6a-6c)+(4c+a)
9(5s+9)+7s8+(6m-8)-(8m+3)
5(ab+7a)-(6a-7b)17(abc+3a)-8(9a+8abc)
4(xy+6z)+(-xy+2z)-7(pq+pr)-(7pq-pr)
-8n-(6n-9)2n+(6n+5d)+(2d-n)
-5(2t+10)-5t5+(6a-2)+(8a+6)
9(ab-6a)+(5a-8b)17(abc-8a)+8(8a+3abc)
6(xy+2z)+(-xy-7z)-6(pq+pr)+(4pq-pr)