七年级数学上册合并同类项练习题精编316.docx
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七年级数学上册合并同类项练习题精编316
6(5s+3)-7s4+(6a+6)+(9a-1)
9(ab+8a)+(7a-8b)19(abc-8a)+2(9a+3abc)
7(xy-8z)-(-xy+5z)-4(pq-pr)+(4pq+pr)
2m+(4m+6)5m-(4m+6c)-(5c-4m)
-6(3a-5)-5a5+(8y-8)+(5y+2)
5(-ab+4a)+(9a-9b)17(abc-5a)-8(6a-2abc)
5(xy-7z)+(-xy-4z)-5(pq-pr)-(3pq-pr)
4y+(5y+8)y+(6y+3z)+(8z-4y)
6(3s+1)-3s10-(3n-2)+(7n+2)
7(-ab+7a)-(3a-3b)5(abc+5a)-9(5a+2abc)
3(xy-7z)+(-xy+3z)-2(pq-pr)-(2pq+pr)
-2m+(7m-2)m-(9m+3c)+(2c+m)
-4(7b-1)+7b2+(3y-5)-(3y+1)
3(ab+5a)+(5a-5b)13(abc-7a)+4(5a-2abc)
7(xy+2z)-(-xy-4z)-6(pq+pr)+(9pq-pr)
4b-(4b+3)9b-(7b-7z)-(2z-b)
-4(2t+2)-9t7-(2a-4)-(6a+1)
5(ab+9a)+(8a-6b)17(abc-6a)-8(3a-7abc)
5(xy+2z)-(-xy+9z)-5(pq+pr)+(9pq-pr)
7m-(2m+7)m+(2m-7c)+(8c+7m)
9(5n+7)-7n8+(8y-1)+(2y-9)
7(-ab-2a)+(2a+4b)3(abc-6a)-7(5a-5abc)
6(xy+4z)-(-xy-6z)-6(pq+pr)-(6pq+pr)
6y+(8y-4)y-(8y-2z)+(8z-y)
-8(5n-7)+9n4-(5m+4)-(2m-10)
2(-ab+9a)+(3a+7b)18(abc+6a)-3(6a+4abc)
8(xy+8z)+(-xy-2z)-7(pq-pr)-(5pq+pr)
-9y+(4y+4)3y-(9y+5p)+(5p+2y)
-8(7t-1)-3t5+(8n-1)-(4n-10)
4(-ab+2a)-(5a-5b)8(abc-7a)+2(2a-2abc)
5(xy+7z)+(-xy+2z)-7(pq-pr)+(9pq+pr)
4m-(2m+3)m+(8m+6d)+(7d-5m)
-2(2b-6)-9b6-(9m+2)+(4m-5)
6(-ab+2a)-(6a-5b)15(abc-5a)-6(9a+2abc)
8(xy+4z)+(-xy-6z)-7(pq-pr)-(8pq+pr)
3a-(7a+1)2a-(6a+2c)+(7c-6a)
9(9t-10)-9t3-(5b-4)-(3b-3)
8(-ab+3a)-(7a-4b)6(abc-6a)-3(8a-8abc)
9(xy+7z)+(-xy+2z)-3(pq-pr)+(2pq+pr)
-5m-(3m+9)7m+(7m-9q)-(2q+m)
6(8a-7)+6a4+(7y+8)-(5y-3)
5(ab-3a)+(3a+2b)16(abc-9a)-9(8a+6abc)
7(xy-3z)-(-xy-8z)-9(pq+pr)+(8pq+pr)
-8a-(4a-4)a+(2a-8q)-(4q+a)
5(5m+9)-7m6+(6x-1)-(3x+7)
4(-ab+6a)+(9a+3b)7(abc-2a)+5(6a-9abc)
4(xy-2z)+(-xy-2z)-6(pq+pr)-(6pq+pr)
7m+(8m-9)m+(4m+9c)+(5c+7m)
9(7t+7)+8t8-(7b-4)+(9b+8)
5(ab-5a)-(3a-4b)13(abc+8a)-3(3a+2abc)
4(xy+7z)-(-xy+2z)-3(pq+pr)-(9pq-pr)
-9b-(7b-3)b+(7b-7s)-(4s-b)
-9(6b+5)+3b1-(9n-6)-(9n-10)
7(-ab-3a)-(5a+2b)17(abc+4a)-4(6a+7abc)
6(xy-2z)+(-xy+4z)-8(pq-pr)-(7pq+pr)
-7b-(8b-4)7b+(5b-5q)-(6q+6b)
9(7b+8)-8b7+(9y+10)-(5y+7)
5(-ab+5a)-(7a-8b)8(abc+5a)+3(2a-2abc)
3(xy-4z)+(-xy-5z)-3(pq-pr)-(8pq-pr)
8x-(2x-4)5x+(7x+5d)+(8d+9x)
6(8a-8)-8a10+(9x-1)+(2x-4)
6(ab-6a)-(3a-3b)11(abc-4a)+8(5a+6abc)
2(xy-7z)-(-xy+6z)-4(pq-pr)+(6pq-pr)
6a+(4a-7)3a+(5a+4c)+(2c-8a)
9(5m+9)-8m1-(4y+8)-(7y-2)
9(-ab-9a)-(9a+9b)2(abc-5a)+7(4a+6abc)
3(xy+9z)+(-xy-3z)-4(pq+pr)+(3pq+pr)
2m-(4m+5)m+(4m-7s)+(2s-2m)
-7(4a+5)-5a1-(2y+10)+(9y+2)
3(-ab-4a)+(8a-2b)3(abc+9a)-6(8a-6abc)
4(xy+4z)-(-xy-2z)-9(pq-pr)-(5pq+pr)
9b+(7b-6)3b+(8b-5q)-(3q+9b)
-3(7t+9)-7t9-(4n+10)+(7n+7)
2(-ab+3a)-(5a-9b)11(abc+3a)+3(2a-4abc)
6(xy+4z)-(-xy-5z)-9(pq-pr)+(5pq-pr)