七年级数学上册合并同类项练习题精编224.docx
《七年级数学上册合并同类项练习题精编224.docx》由会员分享,可在线阅读,更多相关《七年级数学上册合并同类项练习题精编224.docx(4页珍藏版)》请在冰点文库上搜索。
七年级数学上册合并同类项练习题精编224
-4(2b+10)-9b8-(2b-1)-(9b+9)
4(-ab-8a)-(9a-7b)6(abc-8a)+7(9a+4abc)
7(xy-8z)-(-xy+8z)-3(pq-pr)+(3pq-pr)
9b-(7b+9)b-(8b-8z)+(3z+b)
9(9s-8)-9s3+(2a-4)+(6a-4)
2(ab-5a)+(5a+4b)20(abc-2a)+2(8a-5abc)
7(xy-4z)-(-xy-6z)-2(pq+pr)+(5pq-pr)
6a+(5a+1)5a-(5a+4q)+(2q-9a)
9(2m-5)+6m1+(6m-4)-(6m-7)
4(ab-6a)+(3a-4b)18(abc-4a)+8(5a+8abc)
9(xy-3z)+(-xy+9z)-8(pq+pr)+(8pq-pr)
8b-(8b+9)b-(9b-3s)+(6s+b)
-9(4m-4)-9m4-(9b-1)+(3b+1)
2(-ab-6a)-(5a+9b)10(abc-9a)+2(3a+9abc)
4(xy+6z)-(-xy-2z)-6(pq-pr)+(5pq-pr)
4y-(2y+4)6y+(6y-5c)+(9c+y)
3(6b+4)+9b2-(8a+5)-(4a-3)
5(ab+2a)-(7a+3b)10(abc-3a)+8(6a-2abc)
6(xy-7z)-(-xy-9z)-7(pq-pr)+(7pq+pr)
9a+(9a-7)4a+(2a+2d)+(7d-8a)
-2(7b-5)-2b8+(9n+9)+(3n+9)
2(-ab-7a)+(3a-2b)10(abc+3a)-6(7a+7abc)
5(xy+9z)-(-xy+5z)-6(pq+pr)+(5pq+pr)
3y+(9y-9)y+(7y+5p)-(9p-3y)
3(9a+2)-9a3-(4y-5)+(8y-3)
9(-ab-4a)+(6a+5b)10(abc+4a)-6(5a-4abc)
2(xy-9z)+(-xy+9z)-6(pq-pr)+(6pq-pr)
8y-(3y+8)y-(2y+6p)+(9p-8y)
6(4b+6)+3b9-(2b-4)+(3b+7)
3(-ab+8a)-(3a-6b)7(abc+3a)-9(9a-8abc)
9(xy+7z)-(-xy-5z)-7(pq-pr)+(8pq-pr)
3m-(8m-5)m+(9m-5s)+(7s+9m)
-6(6s+5)-7s1+(4x+10)-(5x+6)
5(ab+8a)-(2a+6b)18(abc-7a)+5(4a+9abc)
8(xy-9z)+(-xy-6z)-5(pq+pr)+(5pq-pr)
-7b+(4b-7)6b-(8b-6q)+(5q-b)
8(3m+9)-7m5-(2a+1)-(9a-1)
4(-ab+7a)+(5a+7b)4(abc-2a)+8(6a+8abc)
7(xy-8z)-(-xy+9z)-5(pq+pr)+(2pq-pr)
7n-(5n-6)5n-(4n-6c)+(9c+n)
-2(7m+10)-7m7-(6b-4)-(8b-10)
6(ab+2a)-(2a-3b)16(abc-8a)+3(9a+7abc)
5(xy+7z)+(-xy+9z)-3(pq-pr)+(2pq-pr)
-6y-(2y+6)4y-(2y-2q)+(8q-y)
7(5a+10)-8a2+(3a+7)-(9a-5)
7(-ab+3a)-(5a+6b)15(abc-5a)+9(5a-4abc)
3(xy+2z)+(-xy+4z)-9(pq-pr)+(2pq+pr)
9x+(6x+8)x+(6x+8d)+(9d-4x)
7(5n+6)-6n1+(5x-9)-(9x+8)
2(-ab+3a)-(2a-7b)13(abc-5a)+2(9a-8abc)
3(xy+3z)+(-xy+2z)-4(pq+pr)-(6pq+pr)
8n-(8n+6)6n+(3n-2z)+(6z+3n)
-4(8t-6)-6t1-(2a-1)+(6a+1)
9(ab+2a)+(8a+5b)19(abc-4a)-9(7a-3abc)
6(xy+3z)-(-xy-5z)-8(pq+pr)-(7pq+pr)
4n+(4n-2)7n+(5n-4p)-(9p+8n)
3(2a+3)-8a2+(8x-4)+(6x+7)
7(-ab+7a)+(8a+2b)8(abc-5a)+6(2a+6abc)
4(xy+7z)+(-xy+5z)-2(pq-pr)+(6pq-pr)
5y+(9y+7)2y+(9y+8q)-(5q+y)
7(8s+5)-5s3-(6m-10)+(2m-3)
3(ab-3a)+(6a+8b)7(abc-2a)+5(5a-5abc)
5(xy-7z)-(-xy-8z)-8(pq+pr)-(4pq+pr)
6x+(5x-9)x+(6x-9z)-(8z-9x)
-2(9n+9)+4n4+(3x+10)+(8x-6)
2(-ab-6a)-(8a-8b)20(abc+7a)-4(9a+5abc)
7(xy+7z)-(-xy+3z)-7(pq+pr)-(9pq+pr)
-6x-(8x+1)x+(8x-4p)-(9p-7x)
5(6a+9)+6a8-(4x-6)-(4x+8)
7(-ab-2a)+(9a+6b)10(abc-4a)+6(4a-7abc)
9(xy+8z)-(-xy+2z)-6(pq+pr)+(9pq+pr)
5n-(8n-7)3n+(5n+6q)+(3q-n)
4(8a+5)+3a8-(3b+6)-(9b-9)
7(ab-4a)-(4a+5b)18(abc-6a)+3(2a-4abc)
7(xy-7z)-(-xy+3z)-7(pq+pr)+(5pq-pr)