七年级数学上册合并同类项基础练习题81.docx
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七年级数学上册合并同类项基础练习题81
-3n-(9n+9)n+(4n+7q)-(3q+n)
8(6t-10)+4t1+(4a+8)-(2a+2)
3(-ab-6a)-(3a+4b)13(abc+7a)-4(5a+7abc)
4(xy-5z)-(-xy-8z)-3(pq-pr)-(9pq-pr)
5b+(6b-4)7b+(2b+8z)-(7z+9b)
-9(3b+9)+6b7+(4a+1)-(2a-8)
7(-ab-4a)+(3a+6b)14(abc+8a)+2(2a+3abc)
4(xy+4z)+(-xy+5z)-4(pq-pr)-(9pq-pr)
-5b+(6b+7)b+(9b-4s)+(7s+7b)
-8(3b-3)-4b10+(7a-7)+(8a+1)
2(ab+8a)-(2a+4b)18(abc+8a)+6(5a-5abc)
9(xy-5z)-(-xy+9z)-8(pq-pr)-(5pq+pr)
3n-(3n-1)n-(8n-7q)+(9q+n)
-8(6b-3)+4b10-(4m+1)+(2m-1)
5(ab-4a)-(2a+9b)18(abc-2a)+4(6a-7abc)
7(xy-2z)+(-xy-2z)-5(pq+pr)+(2pq+pr)
-6y-(7y-6)6y+(4y+6p)-(3p+6y)
2(8m-6)+9m3+(7n-4)+(9n-5)
2(ab-9a)+(4a+5b)20(abc+6a)-2(3a-6abc)
9(xy-7z)+(-xy+5z)-6(pq-pr)-(6pq-pr)
2n-(5n-6)3n-(9n+9z)+(7z+9n)
-5(5a+3)+6a10-(8n-5)-(3n-5)
9(ab-4a)-(3a+7b)11(abc+7a)+5(8a-5abc)
9(xy+2z)-(-xy+4z)-7(pq+pr)+(3pq-pr)
-9n+(5n-4)n-(6n+3s)+(5s-n)
-4(5a+3)-6a6-(5b+8)+(2b+10)
7(ab-9a)+(8a+3b)12(abc-7a)-5(4a-5abc)
8(xy-6z)-(-xy+3z)-5(pq-pr)+(9pq+pr)
2b-(4b-7)b+(6b-9p)-(6p+b)
9(4s+7)-5s6+(2a+5)+(6a+9)
3(ab+6a)-(9a+6b)15(abc+8a)+2(4a+6abc)
5(xy-5z)+(-xy+4z)-4(pq-pr)+(9pq-pr)
-8a-(3a-8)a-(4a-8z)+(6z-3a)
-6(3b-7)+8b2-(9b+9)-(4b+8)
7(ab-8a)+(9a-2b)6(abc+9a)-5(2a-4abc)
4(xy+3z)-(-xy-9z)-7(pq+pr)-(5pq+pr)
-3m+(5m+5)m-(8m+8d)+(2d-m)
8(5b+4)-4b8-(8n+10)-(4n+8)
8(ab-4a)+(2a+5b)20(abc+8a)-3(6a+3abc)
2(xy-4z)+(-xy-4z)-6(pq-pr)+(2pq-pr)
3n-(4n-4)n-(7n-5c)-(9c-n)
4(4t+1)+6t4+(3n-5)-(8n-1)
8(ab-5a)-(6a+3b)9(abc+8a)-6(3a-4abc)
7(xy-3z)-(-xy+8z)-4(pq+pr)+(7pq+pr)
3a+(2a-3)a-(3a+9d)+(2d+a)
9(3t-3)+3t6+(5n+5)-(9n-4)
4(-ab-4a)-(8a-9b)13(abc+2a)+9(7a-4abc)
4(xy+5z)+(-xy-2z)-3(pq-pr)+(8pq-pr)
7b+(3b-3)7b-(5b+3s)-(2s+5b)
3(9t+1)+6t4+(9b-10)+(3b+3)
4(ab-6a)+(4a+9b)2(abc+9a)-4(3a-2abc)
8(xy-7z)+(-xy-5z)-5(pq-pr)+(6pq+pr)
9m-(9m+2)8m+(5m-4q)-(7q-m)
2(9b-3)+4b1+(6x-10)+(8x+3)
2(ab-9a)+(7a-3b)12(abc+4a)+4(6a-6abc)
8(xy-8z)-(-xy+3z)-6(pq-pr)+(8pq-pr)
-6x-(5x+9)x+(7x+4d)-(2d-x)
5(4n+8)-9n10+(9x+2)-(9x-6)
7(-ab-3a)+(9a+9b)18(abc+3a)+7(2a-6abc)
6(xy-9z)-(-xy+6z)-2(pq+pr)-(5pq+pr)
-3a+(4a-1)4a+(7a-8d)+(8d+9a)
-7(3m+4)-3m8+(5y-4)+(8y-10)
9(-ab-8a)+(7a-6b)16(abc-8a)+9(5a-3abc)
5(xy+9z)+(-xy-9z)-4(pq+pr)+(5pq+pr)
9m+(6m-1)m+(9m+5z)+(8z+m)
-8(2n-6)+2n5+(2x-6)-(5x+5)
9(-ab-8a)+(7a-3b)2(abc-5a)-3(2a-8abc)
8(xy+4z)+(-xy-5z)-4(pq-pr)+(9pq-pr)
-6n-(2n+7)n+(3n+7d)+(6d+n)
4(2b-10)+9b3+(6b+4)-(7b+1)
6(-ab-5a)-(9a-5b)3(abc+8a)-4(5a-9abc)
4(xy+2z)+(-xy-3z)-6(pq-pr)+(5pq+pr)
7a-(2a+3)2a+(4a-3c)+(3c-7a)
-2(7n-3)-3n2-(9a+3)+(4a-4)
4(ab-6a)+(6a+6b)16(abc+8a)-5(7a+3abc)
4(xy-2z)+(-xy+4z)-4(pq+pr)-(9pq-pr)
-3a+(3a-7)9a-(3a-7d)+(4d-a)
-3(9b+4)+4b6-(6x-5)-(3x-1)
5(-ab-6a)-(7a-9b)10(abc+2a)+3(9a-4abc)
9(xy-2z)+(-xy+7z)-7(pq-pr)+(6pq-pr)
6y-(5y+7)3y+(6y-5d)+(3d+5y)
9(8s-9)+8s6-(7m+8)-(3m-4)
7(ab+9a)+(7a-7b)12(abc+8a)+3(6a+5abc)
4(xy+5z)-(-xy+3z)-8(pq-pr)+(7pq+pr)
3m-(6m-1)m-(5m-5s)-(4s+m)
-9(4n-2)+9n3-(6x-10)+(2x-5)
4(-ab+8a)-(7a+9b)7(abc-9a)+7(9a+8abc)
4(xy-7z)+(-xy-9z)-5(pq+pr)+(8pq-pr)
-4n+(3n-6)5n-(5n+7p)+(5p+2n)
-4(9n+4)-8n7-(6b-6)-(3b-2)