七年级数学上册合并同类项练习题精编82Word文档下载推荐.docx
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2(7a+6)-9a5+(7b-4)+(3b-8)
2(-ab-9a)+(3a+4b)20(abc+7a)+2(9a-2abc)
7(xy+4z)+(-xy-6z)-3(pq-pr)-(5pq+pr)
-9b+(6b-1)b+(8b+6p)+(2p+b)
9(7a-3)+3a8+(6b-8)+(7b+4)
4(ab-4a)+(4a+3b)12(abc+9a)+5(9a-6abc)
8(xy-6z)-(-xy+7z)-2(pq-pr)-(7pq+pr)
4x+(5x+6)x-(4x-4p)-(9p-x)
5(7n-1)-3n5+(4b-10)-(5b+6)
2(ab+6a)-(5a-6b)17(abc-2a)+3(6a-5abc)
6(xy-7z)+(-xy+3z)-6(pq-pr)+(7pq+pr)
5y-(4y+3)9y-(3y-2d)+(2d+y)
2(7a-8)-2a8+(8y+4)+(6y+4)
7(ab-5a)+(4a+5b)4(abc-7a)-3(3a+8abc)
4(xy+2z)+(-xy+4z)-4(pq+pr)+(5pq+pr)
7a-(8a+6)a+(2a-9p)+(9p+a)
3(3m+9)-2m4-(5n-9)+(3n+7)
6(ab-2a)+(7a-4b)18(abc+7a)+9(8a-8abc)
5(xy-2z)-(-xy+4z)-7(pq+pr)+(6pq+pr)
-3b+(5b+3)b-(9b-4p)+(9p-b)
-9(2n-10)-9n10-(4x-1)+(5x+4)
5(ab-5a)+(5a+4b)13(abc-4a)+7(5a-6abc)
8(xy-6z)+(-xy-4z)-2(pq+pr)-(2pq-pr)
-9a+(9a+4)a+(4a-5s)+(2s-a)
-7(6b+8)-3b4+(3a+6)+(3a-1)
9(ab+9a)+(2a-8b)3(abc-3a)+7(2a+3abc)
6(xy+4z)+(-xy+6z)-6(pq+pr)+(8pq+pr)
-2n-(9n+9)n+(8n+5q)-(9q+n)
9(9n+7)+5n3-(8a-4)-(6a-10)
8(-ab-8a)-(6a+2b)4(abc+5a)-7(4a+5abc)
7(xy-8z)+(-xy-2z)-6(pq+pr)-(8pq-pr)
4y-(6y+1)5y+(2y+9s)-(3s-y)
2(5b-8)-4b1-(9n+4)+(7n+10)
3(ab-2a)+(9a-6b)17(abc+7a)+2(3a-9abc)
6(xy+5z)+(-xy-2z)-4(pq+pr)-(7pq-pr)
5x-(4x-2)x+(2x+3z)+(5z+4x)
3(5n-5)+8n5-(4b-6)+(7b+4)
6(ab-9a)+(2a-5b)14(abc+4a)+7(8a+2abc)
2(xy-7z)+(-xy-2z)-3(pq+pr)+(3pq-pr)
-2n-(5n+8)9n-(3n+4c)+(8c+9n)
2(4t-1)-3t6-(2x-4)-(8x+9)
7(-ab-3a)+(5a+6b)16(abc-8a)+2(8a-2abc)
6(xy+8z)-(-xy-8z)-4(pq+pr)-(6pq-pr)
2a+(7a+4)8a+(6a+9z)+(6z+a)
3(3m-5)-7m2-(5b+6)+(9b+7)
4(-ab+3a)+(9a-5b)13(abc-2a)+4(4a+2abc)
6(xy+8z)+(-xy+9z)-3(pq-pr)-(6pq+pr)
5n+(2n-9)7n+(7n+9s)-(6s+n)
-2(2m+9)+7m5+(9y-8)-(7y+10)
4(-ab+2a)-(2a-7b)11(abc+3a)+5(3a+4abc)
7(xy-5z)+(-xy-7z)-4(pq-pr)+(6pq+pr)
-4a-(8a-4)8a-(8a-6s)+(9s+a)
8(8n+8)-3n1+(3a+6)+(6a+8)
7(ab-3a)-(8a-2b)12(abc+2a)+6(8a+6abc)
5(xy-2z)-(-xy+4z)-7(pq-pr)-(6pq+pr)
6a-(6a-3)a+(6a-8c)-(8c+8a)
-4(4b+5)+7b8+(8x-6)-(8x+5)
2(ab-4a)-(8a-7b)7(abc+8a)+6(3a+5abc)
7(xy+7z)+(-xy-2z)-9(pq-pr)-(8pq+pr)
-8a+(5a-9)8a+(2a-4s)+(7s+7a)
9(5s-5)-2s6+(2b-1)+(8b-9)
3(-ab+6a)-(5a+7b)2(abc-6a)-7(9a-9abc)
3(xy+3z)-(-xy-7z)-2(pq+pr)+(2pq-pr)
5b+(2b-2)b-(3b+7d)-(4d+2b)
5(9a-5)+7a1-(6a-9)-(9a+6)
4(-ab+3a)+(9a+9b)12(abc+2a)+5(9a+7abc)
8(xy+4z)-(-xy+9z)-4(pq-pr)+(8pq+pr)
-2y-(8y-8)6y-(7y+6q)-(4q-y)
8(4s-1)+3s3+(6a+6)+(4a-5)