七年级数学上册合并同类项基础练习题1.docx
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七年级数学上册合并同类项基础练习题1
3x+(2x+5)9x+(7x-4s)+(3s-4x)
-8(5n+4)-3n7+(8a+3)+(5a+8)
7(-ab-8a)-(7a+5b)4(abc-9a)+4(6a+4abc)
9(xy-5z)-(-xy+9z)-7(pq+pr)-(4pq+pr)
-2a+(4a+9)a-(4a-7c)-(9c+9a)
3(5n-5)+5n1-(3a+4)-(7a-1)
5(ab+5a)-(8a-9b)7(abc-2a)+9(5a+7abc)
7(xy-9z)-(-xy+4z)-7(pq+pr)-(6pq-pr)
-5n+(2n-6)5n-(9n-5q)+(3q-n)
-5(5t-4)+2t9+(7a+8)-(4a+1)
6(ab+8a)-(6a-9b)7(abc-6a)+3(9a-5abc)
2(xy-4z)+(-xy+7z)-9(pq+pr)-(2pq-pr)
-9m-(3m+8)m+(5m+9d)+(9d+5m)
-7(2m+2)-7m7+(7m-7)+(4m-4)
5(ab-6a)+(9a-2b)18(abc+5a)-2(5a+2abc)
8(xy+8z)+(-xy-4z)-4(pq-pr)-(2pq+pr)
-5x-(5x+1)x-(9x-9p)-(3p+5x)
5(6n-10)+3n6-(5b-3)+(6b-7)
2(ab-3a)+(2a+6b)17(abc-5a)+3(8a-5abc)
8(xy-7z)-(-xy+3z)-4(pq-pr)+(7pq+pr)
-7n-(5n-9)n+(9n+7z)-(4z+n)
-8(7a+5)+8a1-(7b-7)+(4b+8)
2(-ab+6a)-(9a+5b)5(abc-6a)-9(8a+2abc)
9(xy+8z)+(-xy-7z)-7(pq-pr)+(9pq+pr)
5m+(5m-4)5m+(7m+5s)-(8s+8m)
-2(8b+4)-4b6+(5x+8)+(7x-2)
5(-ab+2a)-(4a+6b)7(abc-2a)-6(7a+4abc)
6(xy-3z)+(-xy-7z)-7(pq-pr)+(4pq+pr)
-8x+(3x+6)7x-(5x+4z)+(2z-x)
8(7m-4)+8m2+(2y-5)-(6y+10)
9(ab+6a)+(4a+3b)7(abc-6a)-7(9a+8abc)
3(xy+9z)+(-xy-8z)-8(pq-pr)+(4pq+pr)
7m+(6m-6)8m+(5m+7q)+(4q+6m)
2(7n+2)-7n1-(9x+4)-(9x+10)
6(-ab-3a)-(4a-2b)12(abc+6a)-5(7a+4abc)
3(xy-2z)+(-xy-9z)-6(pq+pr)+(2pq-pr)
5n+(2n+2)4n-(6n-3q)-(4q+n)
-6(8s+1)-7s2-(6n+3)-(6n+6)
6(-ab-7a)+(5a-7b)11(abc-6a)+3(8a-3abc)
2(xy+6z)-(-xy-3z)-3(pq+pr)-(2pq-pr)
3n-(8n+4)7n+(6n-5c)+(4c-n)
-6(6m-9)+5m8+(5x+10)+(6x-3)
9(-ab-8a)+(8a-4b)5(abc-9a)-2(9a-9abc)
8(xy-9z)+(-xy+9z)-9(pq+pr)+(2pq-pr)
5m+(3m+3)m-(8m-3p)-(5p+m)
-3(9b-2)+5b2+(4x-1)-(6x-8)
9(ab+6a)+(3a+2b)18(abc+5a)-6(8a+6abc)
9(xy+7z)+(-xy+9z)-6(pq+pr)-(3pq+pr)
-7y-(5y-4)3y+(4y-8z)+(2z-y)
8(2m-1)-7m3-(5a-9)+(3a-4)
7(ab-2a)+(6a+6b)10(abc-7a)+9(8a+2abc)
3(xy-6z)+(-xy+6z)-8(pq-pr)+(9pq-pr)
-5x+(8x+3)3x-(4x-6z)-(7z-6x)
-8(2t+4)+4t9-(4b+7)+(9b-9)
8(-ab+9a)+(3a-6b)4(abc+6a)-4(5a+8abc)
8(xy+9z)-(-xy-8z)-5(pq-pr)-(8pq+pr)
-5x-(3x+9)4x-(6x+9z)+(4z+6x)
-3(9m-1)+3m4-(4m-2)-(4m-9)
9(-ab+5a)-(6a+9b)20(abc-2a)-6(2a+8abc)
8(xy-7z)-(-xy+3z)-2(pq+pr)+(7pq+pr)
-9n+(2n+7)n-(4n+3s)-(6s+4n)
-8(2m-1)+3m5+(6x-10)-(4x-4)
3(-ab-9a)-(4a+6b)5(abc+6a)-6(5a-5abc)
3(xy+7z)-(-xy+4z)-8(pq+pr)+(3pq+pr)
-8x+(5x-3)x-(3x+9c)-(2c+7x)
3(7s-5)+2s6-(9b-8)+(4b+10)
7(-ab-3a)+(8a+9b)11(abc-6a)+9(3a-4abc)
5(xy-6z)-(-xy-8z)-9(pq+pr)-(9pq+pr)
-9y-(6y+1)2y-(7y+8c)+(7c+y)
2(6a-4)-7a9+(7a+5)+(9a-2)
6(-ab-6a)+(6a-9b)12(abc+2a)-5(8a-2abc)
4(xy-9z)-(-xy+9z)-6(pq+pr)+(4pq+pr)
8x-(6x+2)x+(7x+8s)-(6s+x)
-3(2b+8)-8b3-(8a-5)+(6a+8)
4(ab+8a)-(8a+9b)3(abc-6a)+4(3a-6abc)
7(xy-5z)-(-xy-4z)-3(pq-pr)-(7pq+pr)
-7m+(2m-2)4m+(2m-4p)-(8p+3m)
3(8b-1)-7b3-(5x+10)-(3x+3)
7(ab+5a)+(7a-4b)19(abc-6a)+8(3a-6abc)
6(xy-8z)-(-xy-4z)-4(pq+pr)-(8pq-pr)
-5y+(6y+4)y+(3y-9s)+(5s-y)
-8(9n+4)+8n10+(5m-1)-(5m+9)
9(-ab-8a)-(3a+3b)4(abc-4a)+9(4a-5abc)
9(xy+3z)+(-xy+4z)-3(pq+pr)+(6pq+pr)
-4n-(6n+8)n+(5n+6q)+(8q-8n)
9(5a-7)+9a10-(5n-4)-(4n-7)
4(-ab+3a)+(7a+6b)5(abc-7a)-3(9a-4abc)
8(xy+5z)-(-xy+7z)-2(pq+pr)+(8pq-pr)
-4m+(6m-6)2m+(4m-8z)-(9z+m)
5(2b+10)-9b5-(9a-6)+(2a+9)