七年级数学上册合并同类项练习题精编20.docx
《七年级数学上册合并同类项练习题精编20.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20.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20
-4(4b+8)-6b1+(2m-4)-(2m-5)
5(-ab-8a)+(8a+3b)17(abc-4a)-5(9a-3abc)
3(xy-3z)+(-xy-6z)-9(pq+pr)-(3pq+pr)
-2m+(7m+5)9m+(4m-4p)-(4p+m)
-3(6m+9)+4m2-(8y-6)-(2y+1)
9(-ab-7a)-(6a-2b)10(abc-3a)-9(3a+9abc)
4(xy-8z)+(-xy+8z)-5(pq+pr)+(4pq+pr)
7m-(7m+5)m-(5m+9z)+(7z+5m)
-4(4m-10)-3m2+(5y-5)+(4y-6)
5(ab-2a)-(4a+9b)6(abc+2a)+9(2a+2abc)
2(xy-6z)-(-xy+7z)-9(pq-pr)+(8pq-pr)
-2x+(6x+9)x-(7x+5c)-(3c+x)
-6(3t+1)+4t1-(9n+5)+(6n-2)
7(-ab-8a)+(6a-4b)18(abc+3a)-8(3a-3abc)
9(xy+4z)-(-xy+6z)-9(pq+pr)-(6pq-pr)
4x-(6x-7)x-(6x-2p)+(8p-7x)
5(7s-8)+4s9+(9x+1)-(2x-8)
7(-ab+9a)+(7a+7b)11(abc+6a)+5(5a+7abc)
4(xy-8z)-(-xy+5z)-6(pq-pr)+(4pq-pr)
8y+(2y+1)y-(7y-4d)+(6d+y)
4(3s+4)+5s10-(6a+5)-(6a+7)
4(ab+6a)-(5a-2b)16(abc+2a)-3(6a+6abc)
2(xy-9z)+(-xy-5z)-7(pq-pr)+(3pq-pr)
-4b+(8b-2)5b-(5b-6z)+(5z+7b)
-8(4n+3)-3n10+(6n+10)+(2n+7)
3(ab+2a)+(3a-6b)15(abc+4a)+6(5a-7abc)
3(xy-9z)-(-xy-7z)-8(pq-pr)+(5pq-pr)
-2m+(6m+9)m-(2m+3q)-(7q-m)
-8(5m-1)-6m10+(6y-9)+(4y-9)
7(-ab+8a)+(3a+5b)16(abc-2a)-7(8a-4abc)
7(xy+6z)-(-xy+6z)-6(pq+pr)-(3pq-pr)
5b-(9b+6)6b+(2b+9p)+(4p-3b)
7(6b-6)-6b10+(9a+8)-(5a-1)
4(ab-9a)-(6a-5b)13(abc+9a)+2(9a+7abc)
6(xy+2z)+(-xy-9z)-6(pq-pr)+(3pq+pr)
3x+(6x+4)2x+(5x+7z)-(6z-x)
6(8b-1)+3b8+(7b-6)+(8b-10)
7(-ab+2a)+(6a-4b)3(abc+3a)+7(6a-9abc)
5(xy-8z)+(-xy+2z)-6(pq+pr)-(3pq+pr)
9b+(5b-1)8b-(4b+6c)-(9c-2b)
-4(2s-9)-4s5+(6a-3)+(2a-6)
6(-ab+7a)+(9a-8b)2(abc+4a)+4(2a+6abc)
5(xy+5z)-(-xy-9z)-9(pq+pr)+(6pq-pr)
-5a+(5a+3)a-(6a+6s)-(4s-a)
5(2t+3)-9t4-(7y+3)+(6y-3)
4(ab-9a)-(2a-2b)3(abc-8a)+4(9a+3abc)
2(xy-4z)-(-xy-7z)-6(pq-pr)+(5pq+pr)
-9n+(7n+6)8n-(7n-3q)-(5q+5n)
5(8b+1)-7b2-(6x+9)+(9x+2)
7(-ab+2a)+(3a-2b)18(abc+5a)-6(6a+3abc)
6(xy+9z)+(-xy-8z)-8(pq-pr)-(9pq+pr)
6a-(2a-4)a+(3a+8p)+(7p-5a)
-3(4b-10)+5b9-(5y-6)-(6y+4)
3(ab-2a)+(3a+9b)15(abc-3a)+9(6a+8abc)
2(xy+7z)+(-xy+2z)-6(pq-pr)+(2pq+pr)
-3x+(4x-3)7x-(9x-5s)+(3s-x)
3(7n-7)-3n1+(8b+6)+(4b+2)
7(ab+5a)-(2a-3b)4(abc-4a)+3(5a+2abc)
2(xy-6z)-(-xy-8z)-7(pq-pr)+(8pq-pr)
-6b-(5b+2)b-(3b+8s)-(9s-4b)
6(9t-8)-7t1+(6x+7)+(5x+5)
5(ab+8a)+(3a+7b)3(abc+4a)+7(2a-2abc)
5(xy+4z)-(-xy-4z)-2(pq-pr)+(5pq+pr)
8m+(6m-1)8m+(4m+4c)-(8c-6m)
-6(2t+3)+7t3-(2a+1)+(2a+6)
9(-ab-8a)-(9a-7b)16(abc+8a)-6(6a+4abc)
8(xy+5z)+(-xy-2z)-3(pq+pr)-(5pq+pr)
-7y+(4y+2)y+(2y+5q)+(6q+9y)
-8(3t+6)+5t5+(3n-1)+(5n+8)
8(-ab-2a)-(2a+7b)19(abc+6a)+3(9a+7abc)
7(xy+6z)-(-xy-5z)-9(pq-pr)+(2pq-pr)
6a+(2a+6)a-(9a-9p)-(9p-5a)
-5(4t+4)-2t5+(6a+3)-(6a+10)
7(ab+2a)+(3a+6b)12(abc-5a)-5(7a-5abc)
3(xy-7z)-(-xy-4z)-5(pq-pr)+(8pq-pr)