七年级数学上册合并同类项练习题精编399Word文档格式.docx
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-4x+(4x-3)x+(9x+3d)-(7d-x)
-7(4s-10)-4s4-(7b-8)+(3b-4)
5(-ab+5a)+(9a-5b)2(abc+2a)+2(9a-5abc)
2(xy+2z)-(-xy-6z)-7(pq-pr)+(9pq-pr)
5m+(3m+6)9m-(5m+3d)+(8d-5m)
-4(8b+10)-4b4+(4x+2)-(2x-9)
8(-ab+5a)-(3a-3b)11(abc-2a)+3(4a+2abc)
3(xy+4z)+(-xy+2z)-4(pq+pr)+(9pq+pr)
4b-(8b+3)7b-(5b+6d)+(9d+9b)
-3(6b+8)+2b7+(3n+7)-(3n-1)
3(-ab+5a)+(6a-7b)6(abc+7a)+7(6a+6abc)
8(xy+5z)+(-xy-2z)-6(pq-pr)-(8pq+pr)
-9a-(4a+5)a+(7a-7q)-(3q+2a)
-8(3b+2)-3b8-(6y-10)+(9y-9)
9(ab-9a)-(2a+3b)16(abc+8a)-3(9a+6abc)
3(xy-3z)+(-xy+9z)-9(pq+pr)-(4pq+pr)
-3y+(8y+7)6y+(2y+7z)+(8z+y)
-7(3a-2)+9a1+(2b+2)-(5b-4)
7(ab-3a)+(5a+6b)16(abc+2a)-9(3a+5abc)
7(xy+2z)-(-xy-5z)-3(pq-pr)+(8pq+pr)
-7a-(7a-7)2a+(3a-6s)+(5s-5a)
7(3a-3)+9a10-(4n-10)+(7n-1)
9(ab-4a)+(2a-7b)13(abc-8a)+9(7a+5abc)
9(xy+7z)+(-xy+9z)-4(pq-pr)+(9pq+pr)
-2x+(7x-1)7x+(2x-3d)+(7d+x)
3(4a-6)+2a8+(9x+3)-(4x-7)
6(-ab+6a)-(6a-3b)20(abc+5a)-2(2a+4abc)
9(xy-9z)+(-xy-7z)-4(pq-pr)+(4pq+pr)
4b-(7b+8)4b-(6b-8z)-(9z+b)
6(9n-1)-6n7+(8b+1)+(6b-7)
8(-ab-4a)-(2a-4b)12(abc-5a)-8(6a-5abc)
4(xy-9z)-(-xy+9z)-2(pq+pr)-(6pq+pr)
6x+(3x-3)4x-(9x+6d)+(5d-x)
9(8s-6)+6s10+(6n+8)-(6n+3)
3(ab+3a)+(6a-5b)19(abc-2a)-4(5a+7abc)
6(xy-6z)+(-xy-6z)-6(pq-pr)+(2pq+pr)
-4m-(3m+9)9m-(5m+4z)+(8z+m)
4(2s+6)+5s7+(4a+3)+(6a+9)
5(-ab+3a)-(7a+6b)17(abc-8a)-6(2a-5abc)
3(xy-4z)-(-xy-3z)-3(pq+pr)+(2pq+pr)
6y-(3y-5)3y+(7y+6p)-(5p+y)
2(6b-2)+5b1-(6n+6)+(3n-4)
6(-ab+6a)+(3a-8b)14(abc+3a)-3(2a+4abc)
2(xy+2z)-(-xy+6z)-6(pq-pr)-(3pq-pr)
4m-(7m-1)9m+(7m-5q)+(4q+m)
-3(2s+6)-2s7+(7n+10)-(8n-4)
2(-ab-6a)-(7a+9b)9(abc+3a)+8(6a-9abc)
6(xy-7z)+(-xy-6z)-4(pq-pr)+(7pq-pr)
-9y-(9y-7)y+(2y-9c)-(6c+y)
8(5t+9)+9t2+(7m+2)-(8m-6)
9(-ab-7a)-(7a+4b)17(abc-8a)-5(4a+7abc)
8(xy-2z)-(-xy-3z)-5(pq-pr)-(3pq+pr)
-3y-(7y-5)4y+(9y+8p)-(5p-y)
-3(8m+6)+9m3-(4m-6)-(7m-3)
7(ab-2a)+(2a-2b)20(abc-6a)-5(3a-6abc)
8(xy-6z)-(-xy-9z)-6(pq+pr)+(5pq+pr)
-9b+(7b+2)5b+(6b-5d)-(7d-b)
2(4a-8)+5a1-(3y+10)-(5y-2)
7(-ab-8a)-(3a+4b)12(abc-2a)+6(5a-2abc)
4(xy+8z)+(-xy-9z)-6(pq-pr)+(9pq-pr)
4y+(4y-9)9y-(3y-2d)-(6d+y)
-5(3a+9)-7a6-(4m-1)+(5m-3)
2(-ab+2a)-(5a+6b)9(abc-2a)+3(6a-3abc)
7(xy+7z)+(-xy-2z)-8(pq+pr)-(4pq-pr)
-2n-(6n-7)n-(4n-8z)-(5z+n)
3(4t+7)+9t1-(9x-8)+(2x-8)
6(-ab-2a)-(2a-7b)8(abc-2a)-7(9a-7abc)
3(xy-4z)+(-xy+9z)-2(pq-pr)-(3pq+pr)
-7a-(7a+4)6a-(8a+2d)-(9d+a)