七年级数学上册合并同类项基础练习题112.docx
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七年级数学上册合并同类项基础练习题112
9(ab+2a)-(3a+7b)10(abc-9a)+7(4a+8abc)
7(xy-2z)+(-xy-3z)-8(pq+pr)+(5pq-pr)
-2x+(8x+2)7x-(7x+2p)-(6p-7x)
7(9n-5)-8n7+(3y+1)-(4y+1)
4(-ab-4a)-(9a+2b)16(abc-9a)-2(3a+8abc)
8(xy-3z)-(-xy+9z)-9(pq-pr)+(8pq+pr)
4m-(7m+7)8m-(6m-3z)+(2z-m)
-2(4t+9)+3t1+(8x+5)+(7x-3)
7(-ab+8a)+(8a-6b)6(abc+3a)+4(6a+9abc)
2(xy-4z)+(-xy-2z)-9(pq+pr)+(8pq+pr)
3m+(7m-7)6m-(8m+2d)+(5d-m)
7(6n-3)-9n4+(3b-2)+(2b+7)
7(ab-7a)+(3a-4b)15(abc-6a)+6(8a+8abc)
4(xy-9z)+(-xy+6z)-5(pq+pr)+(7pq-pr)
2n+(4n-8)n-(9n-2s)-(6s-n)
9(8n+8)+2n10+(9a-5)-(8a-8)
4(-ab-9a)+(7a-9b)12(abc+6a)+8(3a-6abc)
2(xy+6z)+(-xy-6z)-7(pq+pr)-(8pq-pr)
-3m+(7m-9)6m-(7m+6p)-(6p-m)
-7(6b+2)+4b2+(4b-9)+(4b+9)
9(-ab-8a)+(3a+6b)3(abc+8a)-8(7a+4abc)
9(xy-5z)-(-xy-6z)-8(pq-pr)+(8pq+pr)
6b+(3b+9)4b+(5b+9z)+(3z-b)
4(2a+10)-5a10+(6a+4)+(5a+10)
9(ab-3a)-(4a-7b)4(abc-6a)-9(7a+5abc)
3(xy-3z)+(-xy+9z)-5(pq-pr)+(2pq+pr)
-8y+(5y+3)y+(2y-2p)-(2p+6y)
-6(8t+4)-9t3+(8x-1)+(9x-4)
2(-ab-4a)-(6a-9b)12(abc-2a)-5(2a+2abc)
4(xy+7z)-(-xy+8z)-6(pq-pr)+(5pq-pr)
6x-(5x+7)8x-(5x+5q)-(4q-7x)
-6(2m+4)-9m7+(8a+6)+(6a+7)
3(-ab+9a)+(9a-3b)4(abc+3a)+3(4a+2abc)
6(xy-4z)+(-xy-3z)-5(pq-pr)+(6pq-pr)
5x-(8x-5)3x-(3x-3q)-(7q+5x)
4(6b+3)+4b7+(8a+7)-(9a-1)
6(ab+5a)-(2a-3b)10(abc+9a)-8(7a+9abc)
2(xy+4z)-(-xy+5z)-7(pq-pr)+(2pq-pr)
2y+(7y-7)y+(3y+2z)+(4z+y)
-6(4s-2)+6s3+(6a+9)-(9a-7)
8(ab-4a)+(7a+6b)18(abc+5a)-6(9a+9abc)
6(xy-9z)-(-xy+5z)-8(pq+pr)-(2pq-pr)
9m+(9m+5)4m+(2m-8q)-(4q-7m)
-8(5b-2)-7b3-(2y-4)-(7y+7)
8(-ab-2a)+(2a+8b)10(abc+7a)+2(8a-3abc)
9(xy-8z)-(-xy+5z)-7(pq-pr)+(9pq+pr)
-3m-(6m-8)3m-(5m+8q)+(6q-9m)
-4(4s+9)+7s4+(4x-2)+(7x+8)
6(ab-8a)-(5a-7b)19(abc+6a)+7(3a-3abc)
9(xy+5z)+(-xy+3z)-3(pq+pr)-(9pq-pr)
-4x-(6x+4)8x+(8x-8c)+(2c-x)
9(4a+2)-2a9+(2b-4)+(9b+8)
4(-ab-5a)-(5a+3b)14(abc-5a)+6(6a-2abc)
8(xy-5z)+(-xy-7z)-4(pq-pr)-(8pq-pr)
-3y+(3y-6)y+(2y+3z)-(5z+y)
4(4b-2)+8b8+(6m+3)-(7m+7)
4(ab-4a)-(6a-4b)17(abc+2a)+3(8a-5abc)
6(xy+9z)+(-xy-4z)-3(pq-pr)-(5pq+pr)
-4b+(4b-9)9b+(5b+2q)-(4q+4b)
2(4b+3)+9b3+(9n+9)-(4n-7)
5(ab+9a)+(7a-3b)7(abc+3a)-8(9a+8abc)
7(xy+2z)+(-xy-5z)-5(pq-pr)+(8pq+pr)
-5x-(9x-5)x-(9x+7p)-(6p-7x)
-6(9t-2)-8t8-(6y+9)-(3y+10)
9(ab-6a)+(3a-6b)3(abc+9a)-3(3a+5abc)
2(xy-6z)-(-xy-5z)-8(pq-pr)+(6pq+pr)
-7x-(5x-5)x-(7x+5s)+(3s+8x)
-2(6t-7)-9t2+(3x+3)+(9x-7)
2(ab+3a)+(9a-5b)19(abc+5a)-7(4a+7abc)
5(xy+5z)-(-xy-5z)-4(pq+pr)+(9pq-pr)
6m-(6m+6)2m-(6m+4z)+(9z+5m)
3(7n-9)+3n7-(8m+7)+(9m+1)
6(ab-2a)-(8a+5b)11(abc-7a)+8(8a-8abc)
5(xy-4z)+(-xy+7z)-2(pq-pr)+(2pq-pr)
9n-(3n-9)n-(9n+5c)+(5c+3n)
4(7b+9)-4b10+(5n+5)-(2n+2)
6(ab+5a)-(8a+9b)9(abc+3a)-4(5a+8abc)
8(xy+7z)+(-xy-3z)-4(pq-pr)-(7pq-pr)
-5m-(2m+6)6m-(9m+8d)+(6d-m)
3(3a+2)+7a10-(3x-8)-(7x-7)
2(-ab+8a)-(3a+4b)16(abc+3a)-6(7a+9abc)
2(xy+3z)+(-xy+4z)-5(pq+pr)-(2pq+pr)
2a-(9a-8)a+(6a+8z)-(6z+6a)
7(3a-5)-4a1-(8m+5)-(3m-3)
7(ab-7a)-(4a-8b)10(abc-3a)-6(7a-8abc)
3(xy+9z)-(-xy+7z)-8(pq+pr)-(4pq-pr)
-7x+(2x-6)x+(7x-5d)-(8d+x)
-5(3b-1)+5b1-(8m-8)-(6m-2)
4(ab+9a)-(3a+4b)2(abc-2a)-8(6a-7abc)
8(xy+8z)+(-xy-9z)-5(pq-pr)+(3pq+pr)