七年级数学上册合并同类项基础练习题13.docx
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七年级数学上册合并同类项基础练习题13
6n+(4n-7)2n-(9n-2p)+(3p-3n)
7(4a+8)+3a9-(9y+1)-(2y-6)
3(ab-9a)-(9a+8b)8(abc+4a)-3(5a-5abc)
2(xy+3z)-(-xy+4z)-5(pq-pr)-(2pq+pr)
-8x-(9x-6)x+(3x-2p)-(2p+x)
6(4m-4)-4m6-(8x-3)+(9x-9)
4(-ab-8a)+(2a+6b)12(abc-8a)+3(3a-9abc)
4(xy-3z)-(-xy+6z)-5(pq+pr)+(9pq-pr)
7a-(6a+5)a+(4a+8d)-(8d-a)
9(2s-6)-8s6-(7x+5)+(9x-6)
7(-ab-6a)-(8a+7b)18(abc-8a)-8(8a-5abc)
2(xy-7z)-(-xy+5z)-7(pq-pr)-(9pq-pr)
-2x-(4x-4)4x-(8x-7s)+(9s+9x)
4(5m+8)-2m9+(9a-4)+(5a-2)
6(-ab-9a)+(2a+7b)20(abc-2a)+2(4a+5abc)
8(xy+8z)+(-xy-6z)-2(pq-pr)+(5pq-pr)
2m+(7m-9)m-(4m-7z)-(3z+m)
5(5b-4)-8b4+(5n+8)-(3n-7)
8(-ab-8a)-(2a-5b)20(abc+6a)+7(2a-6abc)
9(xy+2z)-(-xy+9z)-2(pq-pr)-(4pq-pr)
7m-(5m-6)3m-(6m-8s)-(5s+m)
-9(3a-3)+5a7-(3a-5)-(8a-10)
4(-ab+7a)+(7a+8b)13(abc+9a)-6(6a+2abc)
5(xy+2z)+(-xy+4z)-5(pq-pr)-(9pq+pr)
-7x-(5x+1)2x-(6x-2c)+(5c-5x)
-5(6b+6)+3b2-(2x+9)+(3x-2)
3(-ab+8a)+(4a+8b)9(abc+7a)+2(6a-4abc)
7(xy-6z)+(-xy-2z)-4(pq-pr)+(2pq-pr)
8b+(5b-4)b+(4b+6z)+(8z-4b)
8(4m+7)-7m2+(6y+6)-(7y+9)
6(-ab-5a)+(2a-6b)15(abc+6a)+7(8a+7abc)
2(xy+8z)+(-xy+8z)-5(pq-pr)-(6pq+pr)
3n-(7n+8)n-(5n-9q)+(8q-n)
6(4a-2)-6a8-(2x+5)+(8x-6)
3(ab-7a)-(2a-6b)7(abc+8a)+9(4a-4abc)
7(xy-3z)+(-xy-5z)-4(pq+pr)-(2pq+pr)
-3b-(9b-4)b-(7b+5c)-(6c-2b)
7(9m-9)+9m2-(3a+8)-(4a+8)
4(ab+7a)+(6a+3b)9(abc+4a)-6(3a-4abc)
3(xy-8z)-(-xy-6z)-9(pq+pr)+(9pq+pr)
-7n+(7n-8)2n+(8n-2s)-(6s-4n)
4(6m-8)-3m10+(7a+6)-(4a+1)
8(-ab-8a)-(9a-3b)7(abc+8a)-6(7a+7abc)
3(xy+9z)+(-xy+5z)-5(pq+pr)-(5pq+pr)
-5n-(5n+3)8n-(3n+3z)+(3z+4n)
-4(7t-1)-9t1+(5b-1)+(2b+3)
5(-ab+3a)+(8a+4b)12(abc-9a)-2(2a+3abc)
6(xy+3z)+(-xy-8z)-9(pq+pr)-(9pq+pr)
-9b-(2b+9)8b-(3b+6d)-(8d+2b)
4(8t+8)+2t5-(6m-7)-(5m-5)
6(-ab-5a)-(2a+4b)9(abc-3a)+5(4a-9abc)
9(xy+4z)-(-xy+5z)-8(pq+pr)-(6pq+pr)
5m+(7m-8)3m+(4m-2z)+(2z+m)
3(3n+8)-9n7-(3y-3)+(4y+4)
7(ab+5a)-(9a+8b)4(abc-5a)+8(5a-5abc)
4(xy-2z)+(-xy+6z)-2(pq+pr)-(4pq+pr)
-3b+(5b+1)2b+(8b-4q)-(8q+4b)
6(5m-9)-4m9+(6y-4)+(9y+3)
5(ab+6a)+(8a+9b)17(abc-5a)+2(6a-6abc)
3(xy+6z)+(-xy-2z)-6(pq-pr)-(2pq-pr)
-8b+(2b-2)5b+(3b+5c)+(6c-b)
8(6m+10)+3m8-(9m-2)-(5m+1)
5(-ab-2a)+(8a-5b)10(abc+7a)+4(9a-8abc)
7(xy+5z)-(-xy+8z)-7(pq+pr)+(6pq+pr)
-4a-(9a-7)a-(4a-6d)-(6d-a)
-4(3m+9)+7m4+(3x+8)-(4x+1)
5(ab-4a)+(4a-4b)6(abc-9a)-9(8a-7abc)
8(xy+6z)-(-xy-7z)-9(pq-pr)+(2pq-pr)
-2a-(3a-1)a+(9a+7s)+(7s+9a)
-3(7m-4)-6m7-(8y+5)-(9y+9)
6(-ab+4a)-(8a-8b)18(abc+9a)+5(3a-4abc)
4(xy-9z)-(-xy+8z)-5(pq-pr)+(3pq-pr)
-9a-(8a+2)a-(7a-9q)+(6q+a)
-8(5n+1)-7n6-(9n-4)-(4n-3)
7(ab+3a)+(9a+6b)3(abc-7a)+7(3a-4abc)
4(xy+8z)-(-xy-4z)-9(pq+pr)+(7pq+pr)
9x+(3x+4)4x+(7x+9q)+(2q+7x)
-7(4s-8)-8s9-(5a+5)-(5a-1)
6(-ab+9a)+(9a+8b)5(abc-2a)-4(4a-6abc)
8(xy-8z)-(-xy+9z)-8(pq+pr)-(8pq-pr)
2n+(9n+5)n-(5n+8d)+(8d-n)
-9(3a-4)+4a9+(3x+8)-(3x+4)
9(-ab+8a)-(7a-4b)7(abc+8a)-7(8a+4abc)
7(xy-9z)+(-xy+5z)-7(pq-pr)-(4pq+pr)
8m+(7m+6)5m-(6m+3s)+(7s-m)
-5(3t-1)-7t9+(5a-6)-(3a-10)
2(ab+9a)+(9a+5b)8(abc-5a)+8(5a+7abc)
4(xy+4z)+(-xy-5z)-6(pq-pr)+(2pq+pr)
4y+(2y-9)y+(6y+6z)+(5z-3y)
-9(2b-6)+7b5-(7n-7)-(2n+9)