七年级数学上册合并同类项基础练习题300Word格式文档下载.docx
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5(ab+4a)+(2a+7b)10(abc+3a)-2(3a-2abc)
6(xy+9z)-(-xy+4z)-6(pq-pr)+(3pq-pr)
-6a-(7a-7)3a-(2a+5q)-(9q-7a)
8(8b-5)+4b6+(3y+2)+(2y-7)
9(ab+4a)-(4a+8b)18(abc-7a)-7(8a-2abc)
9(xy+3z)-(-xy+5z)-7(pq-pr)-(7pq-pr)
8b+(6b-1)5b-(6b-9s)-(7s+6b)
3(3m-10)+7m8+(9y-9)+(7y+8)
9(ab-9a)+(3a+5b)14(abc-9a)-8(5a-6abc)
9(xy-8z)+(-xy-8z)-4(pq+pr)+(2pq-pr)
-6m+(6m+7)m-(5m-8p)-(5p+3m)
-9(4n+9)-3n1-(2b-8)+(2b-2)
9(ab-8a)+(5a+8b)14(abc-4a)+9(2a+2abc)
4(xy+3z)-(-xy+6z)-2(pq+pr)+(4pq+pr)
3n-(7n+4)n-(3n+6s)+(9s-3n)
-9(7a+1)+3a8-(4x-9)-(4x+6)
3(ab+3a)+(4a+9b)14(abc+5a)-6(2a+9abc)
3(xy+3z)-(-xy-3z)-2(pq+pr)-(3pq-pr)
7x-(8x+3)x+(3x-7c)-(8c+x)
-8(5b+9)-6b8-(2a-7)-(5a+9)
4(ab-5a)+(9a+9b)11(abc-2a)-7(5a-6abc)
3(xy+7z)-(-xy-2z)-3(pq+pr)-(6pq-pr)
3y+(8y+5)y+(5y+5d)+(3d+y)
-5(9a+10)-2a9-(7b-9)+(3b+7)
9(ab+4a)+(4a+5b)7(abc-3a)-4(4a-5abc)
7(xy+9z)-(-xy-7z)-3(pq-pr)-(5pq+pr)
5n+(3n+9)8n-(9n+6q)+(5q+n)
-7(6a-5)-2a1-(5n+8)+(8n+7)
8(-ab+4a)+(8a+7b)12(abc-4a)-5(4a-2abc)
7(xy+7z)+(-xy-8z)-4(pq-pr)-(5pq-pr)
3a-(2a-3)a-(6a+3d)+(9d+a)
-9(8a-3)+2a7+(4x-10)-(4x-10)
5(ab-6a)-(6a-9b)14(abc-9a)-5(4a+2abc)
9(xy+6z)-(-xy-8z)-2(pq-pr)+(4pq+pr)
5y-(8y-2)y+(5y+2d)-(2d-2y)
3(9m+9)+9m4-(4y+7)-(4y-10)
4(-ab-6a)+(6a+4b)5(abc-4a)-4(2a+7abc)
5(xy+2z)+(-xy-9z)-4(pq-pr)+(3pq+pr)
4y+(4y+7)6y-(4y+2s)-(7s+y)
2(5t+1)+7t6+(5b+7)-(8b-3)
2(ab+4a)-(8a+7b)5(abc-5a)-6(8a+8abc)
7(xy+8z)-(-xy+5z)-2(pq-pr)-(4pq+pr)
7n+(4n+9)4n+(7n-6p)-(2p+n)
5(2s-2)+7s4-(5a+1)+(3a-5)
3(ab+6a)+(9a-3b)6(abc-4a)+8(5a-5abc)
5(xy+6z)-(-xy-4z)-4(pq-pr)-(5pq+pr)
-6a+(6a-3)8a-(5a+2c)-(6c+4a)
-3(8b+8)-6b3+(6b+9)+(7b+9)
6(-ab-8a)+(4a+9b)10(abc-6a)+2(2a+8abc)
7(xy+8z)-(-xy+8z)-5(pq+pr)+(6pq+pr)
-3y-(8y-1)y-(7y+5c)-(7c-y)
8(4s+9)-8s9-(8a+9)-(9a-3)
4(-ab+6a)+(4a-3b)5(abc+3a)-4(7a+3abc)
4(xy-8z)+(-xy+8z)-9(pq+pr)-(6pq-pr)
6a-(4a+3)a+(2a+4c)-(8c-a)
-6(4m-9)-3m8-(9m-2)-(5m+1)
9(ab-8a)-(7a-3b)11(abc+5a)+6(5a-3abc)
6(xy-7z)-(-xy-4z)-9(pq+pr)-(4pq-pr)
-4m+(8m-6)4m+(4m+3q)-(3q+5m)
6(3a+4)-9a7+(5x+8)+(2x-5)
5(ab+9a)+(9a+6b)4(abc+8a)-5(3a+4abc)
3(xy+8z)-(-xy-7z)-7(pq+pr)+(2pq-pr)
8x-(2x+3)5x-(3x+6s)-(5s+x)
3(9s+9)-9s1+(7m+6)+(7m+4)
5(-ab-4a)-(5a-3b)15(abc+5a)-5(5a+5abc)
6(xy+5z)+(-xy+9z)-8(pq-pr)-(9pq+pr)
6a-(9a-1)7a+(2a-7q)+(6q-a)
-9(2t+2)-5t8+(5b+8)+(5b+9)
6(ab+9a)-(5a+8b)12(abc+4a)-5(7a-8abc)
2(xy-3z)+(-xy+7z)-5(pq-pr)-(3pq-pr)
-7a-(2a+1)6a+(2a+5c)-(7c+a)
8(7a+1)-7a6-(6n-9)-(7n-5)
5(ab-6a)+(3a-5b)12(abc-8a)-3(9a+5abc)
6(xy+3z)-(-xy-8z)-8(pq-pr)-(8pq-pr)
-2x+(4x-4)x+(2x-5d)+(6d+x)
-5(5s+5)+7s2-(5m-4)+(2m+1)
8(-ab+2a)+(9a-7b)8(abc+3a)+6(9a+4abc)
2(xy-8z)-(-xy-7z)-8(pq+pr)+(6pq-pr)
-4x-(7x+4)2x-(2x+5s)-(4s-x)
-7(3s+6)+6s6+(8n+3)-(3n-2)
2(ab-9a)+(6a-6b)13(abc-2a)-7(8a+9abc)
2(xy+5z)-(-xy-7z)-8(pq-pr)+(2pq-pr)