七年级数学上册合并同类项基础练习题271.docx
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七年级数学上册合并同类项基础练习题271
8x+(8x-8)x-(5x-7z)-(6z+7x)
9(2n+4)-8n7+(3x-6)+(4x+7)
6(-ab+3a)-(8a-4b)3(abc+8a)-9(5a-8abc)
8(xy-3z)+(-xy-7z)-4(pq+pr)-(9pq+pr)
-5b-(5b-5)b-(3b+6q)-(5q-7b)
-8(5a+9)-5a9-(8y+7)-(8y+10)
2(-ab-4a)+(8a-2b)4(abc-2a)+4(4a-6abc)
8(xy-3z)+(-xy+3z)-2(pq+pr)-(2pq+pr)
3n-(2n+9)n+(2n-2c)+(7c+9n)
9(7s-1)-2s7-(5x+8)-(8x+1)
2(-ab+5a)-(6a+8b)7(abc-9a)-8(4a+7abc)
4(xy-5z)+(-xy-3z)-2(pq-pr)-(9pq+pr)
4b-(3b-7)8b-(9b-5p)-(6p+b)
-8(2b+8)-5b5+(3n+3)+(7n+9)
6(-ab-9a)-(2a+5b)6(abc-3a)+2(2a-3abc)
3(xy+7z)-(-xy-9z)-2(pq-pr)+(9pq-pr)
5a-(9a-4)a+(5a-4c)+(9c-8a)
-5(6b-10)-5b6+(8b-9)+(9b+3)
4(-ab+7a)+(4a-3b)4(abc-4a)+3(5a-5abc)
9(xy-7z)+(-xy+9z)-9(pq+pr)+(7pq+pr)
3y-(6y-3)2y-(6y+5p)-(8p+y)
7(5m-6)+7m10-(8b+8)-(3b+9)
4(-ab-9a)+(7a+2b)2(abc-2a)-3(4a+4abc)
3(xy+6z)+(-xy-4z)-9(pq+pr)+(3pq-pr)
-6y+(7y+4)4y-(5y+4z)-(7z-y)
6(4n-9)+3n4-(5a+5)-(9a-7)
4(ab+2a)-(3a+3b)15(abc+6a)-3(5a+9abc)
3(xy+9z)-(-xy+6z)-2(pq+pr)-(5pq+pr)
-9n+(5n+5)7n+(6n+8c)+(9c+3n)
9(4n-5)+7n4+(4b+9)-(7b+9)
6(-ab+6a)-(9a+8b)20(abc-9a)+6(2a+3abc)
3(xy-5z)-(-xy-3z)-8(pq-pr)-(3pq+pr)
2b+(8b+1)b-(2b+4c)+(7c+b)
-5(4t-6)+7t3+(9n+4)-(3n+9)
5(-ab-4a)+(8a-4b)16(abc+7a)-3(7a+4abc)
4(xy+5z)-(-xy+6z)-5(pq-pr)+(8pq-pr)
-4m+(7m+7)8m+(4m-2s)-(6s+2m)
-5(3b-5)-4b5-(5y-6)-(2y-10)
3(ab-2a)-(6a-9b)19(abc-7a)+4(3a-7abc)
9(xy+4z)+(-xy+6z)-8(pq+pr)-(5pq-pr)
3m-(5m-6)4m+(4m+4p)-(7p-m)
8(5n+8)-9n6+(8m+5)+(7m+9)
6(-ab-7a)+(8a-9b)4(abc-7a)+8(2a-9abc)
5(xy-7z)-(-xy+6z)-7(pq-pr)-(2pq-pr)
-7m-(4m-7)6m+(7m+4q)+(2q+8m)
-8(7s-10)+4s5+(8n-7)+(9n+7)
2(-ab-5a)-(6a+8b)6(abc-5a)-8(3a-3abc)
4(xy-8z)+(-xy-7z)-8(pq+pr)+(4pq-pr)
-9y-(2y+2)2y+(4y+7z)-(9z-y)
2(3a-2)+9a3-(7y+8)+(4y+2)
3(-ab-4a)-(8a-8b)5(abc+8a)-2(2a+7abc)
6(xy+2z)-(-xy-3z)-4(pq-pr)+(7pq+pr)
2x+(9x-7)3x-(6x-2z)-(3z-x)
-2(6a-7)-4a8-(6b-9)-(2b+7)
8(ab+6a)-(2a-6b)11(abc+8a)+4(9a+3abc)
6(xy+6z)-(-xy+7z)-8(pq-pr)+(7pq+pr)
9n-(2n-2)9n-(2n-3p)-(7p-n)
6(9s-5)-5s3+(4y-2)-(8y+9)
6(ab-8a)+(7a-6b)5(abc+7a)+6(6a+8abc)
5(xy-6z)+(-xy+2z)-4(pq+pr)+(5pq+pr)
-2y+(8y-8)7y-(9y+2q)+(7q-y)
9(2m-5)-8m9+(7n+4)+(8n+7)
7(-ab-8a)-(2a+8b)5(abc+2a)+9(6a+8abc)
8(xy-7z)+(-xy+4z)-4(pq-pr)+(4pq-pr)
8y+(3y+1)y+(4y-4c)-(9c+y)
-3(8b-10)+7b4-(2y-10)-(5y-10)
9(ab-7a)-(5a-7b)14(abc+3a)-9(2a+4abc)
7(xy+7z)+(-xy+7z)-3(pq-pr)-(3pq-pr)
-9b-(6b+8)b-(3b+6s)-(9s-3b)
-4(9b-4)-4b3-(8x+2)+(3x-3)
3(-ab+6a)+(2a-9b)10(abc-4a)+9(6a+7abc)
4(xy-8z)-(-xy+3z)-6(pq-pr)+(6pq-pr)
-8a-(6a-9)a+(4a+7d)+(3d+3a)
-6(5a-10)+6a1+(9x+7)-(5x+6)
8(-ab-2a)+(5a-2b)17(abc+8a)+4(5a-4abc)
6(xy-9z)+(-xy+4z)-9(pq+pr)-(6pq-pr)
7a+(8a-4)a-(7a+2q)+(2q-5a)
6(6m+8)-6m7-(7m+8)+(4m+5)
5(ab+4a)-(9a+8b)20(abc-4a)+2(2a+5abc)
2(xy+9z)+(-xy+2z)-9(pq-pr)+(3pq+pr)
2b-(9b+3)3b+(4b-4q)-(3q-9b)
-7(3s-10)-4s6-(5b+6)-(2b-9)
7(ab+4a)-(2a+6b)17(abc+3a)+2(8a+6abc)
3(xy-4z)+(-xy-4z)-3(pq+pr)-(6pq+pr)
-6a+(8a-3)7a-(8a+6s)-(2s-3a)
5(9m+3)+6m3-(2m+10)+(7m+4)
5(-ab+4a)-(5a-4b)6(abc+9a)+2(7a+6abc)
7(xy+3z)-(-xy-9z)-6(pq+pr)-(5pq+pr)
4b-(4b-7)9b-(3b-2p)-(7p-7b)
4(9m-6)-7m3-(4x+3)+(4x+8)