七年级数学上册合并同类项基础练习题208.docx
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七年级数学上册合并同类项基础练习题208
8(ab-2a)-(6a-9b)17(abc-4a)+2(7a+2abc)
2(xy-7z)+(-xy-8z)-2(pq-pr)-(7pq+pr)
2b-(8b-7)4b-(3b+4s)-(2s+4b)
-9(3s+1)+3s1-(6a-9)+(8a-2)
9(ab-7a)-(4a-5b)8(abc+8a)+5(4a-9abc)
5(xy-7z)+(-xy+8z)-9(pq+pr)-(8pq-pr)
-5a-(2a+8)6a-(9a+8q)+(8q-7a)
-2(3t+3)-4t4+(6y-2)+(2y-2)
8(ab-9a)+(6a-3b)3(abc+5a)-3(7a+6abc)
6(xy-9z)-(-xy-4z)-6(pq+pr)+(3pq+pr)
5y+(7y+5)2y-(5y-6c)-(8c-y)
-4(6s-10)-3s9-(6a+1)+(9a+1)
6(-ab+8a)-(5a-6b)7(abc+5a)-6(6a+3abc)
6(xy-2z)+(-xy+7z)-7(pq+pr)+(7pq+pr)
6y+(7y+4)7y-(6y-5d)-(9d+y)
5(9a-2)-8a10-(8y+6)+(8y+7)
6(ab-2a)+(2a-8b)12(abc+7a)-7(3a-7abc)
4(xy+4z)-(-xy+2z)-9(pq+pr)+(3pq-pr)
7n-(2n-3)n-(7n-8c)-(8c+9n)
-7(5s+2)+3s9-(8m+9)+(4m-7)
3(ab-5a)+(3a-7b)3(abc+5a)+8(5a+3abc)
6(xy-8z)-(-xy+6z)-8(pq-pr)-(3pq-pr)
-2y-(4y-4)3y+(4y-6z)+(7z+6y)
-8(7t+5)+9t8+(2n+5)-(2n+5)
9(ab-5a)+(2a-5b)7(abc+2a)-2(9a-9abc)
2(xy+6z)-(-xy+8z)-2(pq+pr)+(9pq-pr)
4a-(8a-2)5a+(3a-3p)-(7p+a)
-5(6m-9)-5m10+(3b+4)-(7b-9)
8(ab+7a)+(2a-3b)3(abc+7a)-8(2a+2abc)
5(xy-4z)-(-xy-8z)-9(pq-pr)-(3pq-pr)
-7n+(3n-1)3n-(3n+5p)+(9p+4n)
-6(3m+9)+3m1-(4a+2)-(8a-1)
8(ab-4a)+(7a-9b)11(abc-2a)-6(9a+7abc)
4(xy-6z)+(-xy+8z)-3(pq-pr)+(5pq-pr)
4y+(3y-5)y-(3y+4q)-(7q+y)
-6(5n-7)+2n3+(7a-3)+(3a-2)
5(-ab+3a)-(9a+7b)5(abc-3a)+6(3a-8abc)
2(xy-5z)-(-xy+2z)-8(pq+pr)-(3pq+pr)
5m+(8m+3)m-(3m-4c)+(7c+3m)
-6(6n-5)-8n6-(6n-5)-(8n-7)
9(-ab+2a)-(2a-7b)8(abc+6a)+3(7a+6abc)
5(xy-4z)-(-xy+7z)-4(pq+pr)-(8pq-pr)
6x+(8x-7)7x-(6x-2z)-(7z-x)
-6(7t-1)-9t5+(8a-3)-(5a+4)
9(-ab+2a)-(8a+6b)19(abc+2a)-7(4a-7abc)
3(xy+5z)-(-xy-8z)-8(pq-pr)-(5pq-pr)
2n-(3n-1)5n-(7n+6q)+(3q+n)
-7(8s+3)-6s6+(9m-8)-(9m-2)
2(ab-6a)-(4a+9b)3(abc-6a)+6(5a-2abc)
7(xy-9z)+(-xy+3z)-3(pq-pr)+(9pq+pr)
-3a+(8a+9)5a-(7a-8d)-(7d+5a)
-2(7m+8)-4m7-(4m+7)-(2m+3)
8(ab+4a)-(8a-3b)5(abc+2a)-7(5a+8abc)
9(xy+3z)+(-xy+4z)-7(pq+pr)+(6pq-pr)
-6x+(3x+4)x+(7x-9p)+(2p+x)
-6(9n-2)-4n5-(4y-7)-(2y+2)
5(ab+9a)+(2a-7b)20(abc-9a)-7(5a-5abc)
4(xy-9z)-(-xy+7z)-8(pq-pr)+(6pq-pr)
-8a-(7a+5)a-(4a-6d)+(9d+5a)
-7(9t+10)+5t5-(8y-1)-(2y+1)
7(ab-5a)+(6a-4b)11(abc+5a)+3(7a-8abc)
8(xy-9z)+(-xy-5z)-8(pq-pr)-(9pq-pr)
-4b-(4b+8)b-(6b+4d)+(9d-b)
4(4a+6)+9a2+(9n+9)-(6n-5)
7(ab-5a)-(5a-5b)4(abc-3a)+6(9a-5abc)
8(xy+5z)-(-xy-6z)-3(pq+pr)+(8pq+pr)
-6x+(9x+2)x+(5x-3q)-(7q+x)
-2(6a+8)-3a1-(8x-6)-(5x+6)
2(ab-2a)-(9a-6b)4(abc-4a)-7(9a+5abc)
7(xy+5z)-(-xy+5z)-5(pq-pr)-(9pq+pr)
7b-(4b+7)8b-(3b+4z)+(9z+9b)
9(6a-9)+8a7-(7a-4)+(8a+5)
9(ab-6a)-(2a+6b)5(abc-9a)-2(2a+2abc)
3(xy-8z)+(-xy-2z)-3(pq-pr)+(5pq+pr)
-4a-(2a-5)a-(6a+9c)-(8c-a)
-9(6n+6)+4n1+(5a-8)+(7a-4)
8(ab-5a)+(3a-7b)4(abc+6a)-3(9a+5abc)
5(xy+4z)+(-xy+6z)-5(pq-pr)+(5pq-pr)
-5b+(8b-2)6b-(4b-9s)+(9s-8b)
-7(9s-4)-2s8+(8x-8)-(2x+10)
3(-ab+5a)-(9a+4b)12(abc-9a)+3(3a+7abc)
5(xy-8z)+(-xy+6z)-5(pq+pr)+(3pq-pr)
-4y-(8y+5)y+(4y+6s)+(4s+y)
-2(8t+2)+7t8-(2m+8)+(3m-4)
3(-ab+2a)+(9a-7b)20(abc-3a)+9(6a-3abc)
4(xy+3z)-(-xy-7z)-3(pq-pr)+(3pq+pr)
-2y-(2y-7)y-(8y+4p)+(2p+y)
6(2s+5)-3s4-(4m+6)-(8m+10)
7(-ab-7a)+(8a-5b)11(abc-6a)-9(3a-4abc)
3(xy-4z)+(-xy-6z)-6(pq-pr)-(9pq+pr)