七年级数学上册合并同类项基础练习题256.docx
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七年级数学上册合并同类项基础练习题256.docx
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七年级数学上册合并同类项基础练习题256
4(-ab-7a)+(3a+4b)11(abc-9a)-8(3a-7abc)
5(xy-5z)+(-xy+3z)-4(pq-pr)-(5pq+pr)
-7m-(3m+1)m+(2m+6z)+(2z-m)
6(7t-9)-8t3-(3n-10)-(8n+7)
8(ab-3a)+(3a-6b)10(abc-8a)-5(6a+4abc)
8(xy+9z)-(-xy-2z)-3(pq+pr)-(5pq+pr)
-8x-(8x+8)x+(4x-8d)-(9d-x)
-8(5n+9)-6n9-(2n-8)+(2n-3)
9(ab+5a)+(6a+3b)4(abc+3a)+3(7a-3abc)
5(xy+4z)-(-xy-7z)-5(pq-pr)-(2pq+pr)
-5b-(7b-1)5b-(3b-4c)-(8c+8b)
-2(7n+4)+4n4-(5a-7)+(7a-1)
8(-ab+4a)+(9a+5b)13(abc-2a)+9(7a-9abc)
8(xy+7z)-(-xy-5z)-6(pq-pr)+(4pq+pr)
-5y-(6y-4)8y-(8y+7d)-(8d+y)
-2(4t-4)+3t1-(9a+5)+(9a-4)
9(ab+2a)-(3a+4b)7(abc-8a)+2(3a+3abc)
5(xy+3z)-(-xy-3z)-4(pq+pr)-(2pq-pr)
-5x-(5x+4)x+(9x-6p)+(3p+x)
7(7t-2)-4t7-(9y+3)+(9y-2)
7(ab+5a)+(4a+8b)12(abc-2a)+4(4a-8abc)
9(xy-6z)-(-xy+3z)-9(pq-pr)+(5pq+pr)
-8n-(4n-4)9n-(6n+3p)-(9p-n)
8(5m-5)-5m9+(2b-4)+(9b-8)
7(ab+4a)-(3a+3b)15(abc+2a)+7(2a-9abc)
8(xy-9z)-(-xy-9z)-4(pq+pr)+(9pq+pr)
7a+(4a-3)6a+(6a-3c)-(8c+2a)
-3(4s+2)-9s5-(8a+9)+(7a+7)
3(ab-6a)-(5a+2b)16(abc+7a)-6(3a-7abc)
5(xy+3z)-(-xy+7z)-3(pq+pr)+(8pq-pr)
7n-(7n-2)n+(9n+3d)+(7d+8n)
3(7s+7)+5s3+(3x-5)-(2x-7)
3(-ab+6a)-(3a+4b)8(abc-7a)-3(8a+5abc)
2(xy-7z)+(-xy-6z)-6(pq-pr)+(5pq-pr)
4n-(9n+7)n+(5n+6s)+(4s-6n)
5(5s+9)+3s4-(5y-4)-(8y+1)
9(-ab-4a)-(8a+9b)6(abc-6a)+8(2a-9abc)
5(xy-4z)+(-xy-3z)-2(pq+pr)+(4pq+pr)
-8x-(5x-3)x-(3x-6s)+(4s-x)
9(7n-5)-9n8+(7m-7)-(2m-7)
9(-ab+9a)-(5a+8b)5(abc-7a)+3(4a-7abc)
7(xy+5z)-(-xy+5z)-8(pq-pr)-(5pq-pr)
-4n-(9n+9)n+(7n-4q)+(8q-3n)
9(5t-6)-5t1-(3y-2)+(3y-6)
7(ab-5a)+(4a+6b)3(abc+3a)+6(4a+2abc)
7(xy-6z)+(-xy+9z)-2(pq+pr)+(7pq-pr)
3m-(5m+3)7m-(4m-7d)+(6d-m)
-5(4n-3)-7n1-(7x-3)-(5x-7)
9(-ab+2a)+(9a+8b)7(abc+7a)+9(3a-4abc)
9(xy+5z)-(-xy-8z)-6(pq+pr)+(7pq-pr)
-3x+(6x-4)x+(2x-6q)-(7q-x)
-2(7t+6)+8t5+(4a-4)-(3a+6)
9(-ab-6a)-(7a-3b)11(abc+7a)+6(9a+5abc)
4(xy+9z)+(-xy-4z)-9(pq+pr)-(8pq+pr)
6y-(2y-6)y-(8y-8s)-(8s-y)
6(4t-8)-7t10+(3a-9)-(6a-7)
3(-ab+7a)-(6a-7b)18(abc-5a)-2(3a-9abc)
9(xy+8z)-(-xy+8z)-3(pq+pr)+(3pq+pr)
-5y+(3y+5)y-(4y+5q)-(7q-8y)
7(7m+6)+4m4+(7y-3)-(5y-10)
6(ab+4a)-(5a-4b)14(abc-9a)+9(3a+3abc)
2(xy+9z)+(-xy+3z)-8(pq-pr)-(5pq-pr)
-2x+(4x-5)4x+(8x-6s)-(9s+x)
-4(5n+1)-7n4+(4a-9)-(3a+6)
5(-ab+4a)-(8a+5b)12(abc-3a)+4(7a-3abc)
9(xy+9z)-(-xy-3z)-5(pq+pr)-(7pq-pr)
8x-(8x+8)x-(6x-6d)-(5d-x)
6(8n-5)+8n9+(8m-2)-(2m-5)
9(-ab-7a)+(5a-4b)15(abc-3a)+6(9a+6abc)
5(xy-4z)+(-xy+6z)-8(pq-pr)-(3pq-pr)
5x+(7x+3)9x-(2x-9q)+(8q-x)
-2(8s-10)-4s3+(5a+9)-(7a+5)
7(ab-9a)+(8a+4b)14(abc+5a)-4(8a+5abc)
9(xy+2z)+(-xy+7z)-2(pq-pr)+(7pq+pr)
-7y+(8y-2)y+(3y-8q)-(7q-y)
3(8a+8)+3a10+(9m-7)+(4m-5)
9(-ab-8a)-(3a+3b)10(abc-7a)-5(3a-2abc)
3(xy+7z)-(-xy+5z)-6(pq+pr)+(9pq+pr)
9n-(6n+9)n+(6n-2z)+(6z+2n)
-9(5n-1)+4n8+(6a-6)+(4a+5)
9(-ab-2a)-(5a+8b)13(abc+3a)-2(9a-6abc)
3(xy+2z)-(-xy-7z)-6(pq+pr)-(8pq-pr)
-7y+(7y+5)y+(9y-2q)+(2q-y)
-7(9t-1)+9t8+(2b-10)-(5b+5)
7(ab+5a)+(7a-2b)2(abc+8a)-2(5a+3abc)
7(xy-4z)+(-xy-6z)-3(pq+pr)+(6pq+pr)
3b+(8b+3)b+(9b-4q)-(9q-5b)
-5(9n-1)+3n4+(9y+4)-(8y-2)
2(ab-5a)-(9a-8b)18(abc-7a)-7(8a-8abc)
8(xy+9z)+(-xy+8z)-5(pq-pr)-(3pq-pr)
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- 七年 级数 上册 合并 同类项 基础 练习题 256