七年级数学上册合并同类项练习题精编155.docx
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七年级数学上册合并同类项练习题精编155
9(ab+5a)-(7a-5b)15(abc+6a)-2(3a-7abc)
5(xy+7z)-(-xy+2z)-8(pq+pr)-(5pq-pr)
8n-(6n-2)n+(8n-8s)+(7s-n)
4(9b-1)+3b5-(9y-3)+(2y-7)
8(-ab+4a)-(5a+8b)5(abc+6a)-9(7a+3abc)
5(xy+2z)-(-xy-6z)-3(pq-pr)-(8pq+pr)
-6x-(6x+5)x+(5x+3z)-(9z+x)
-4(4t-6)+9t8-(2y+5)-(6y-4)
5(-ab+2a)-(6a+9b)20(abc-8a)+2(5a-2abc)
8(xy+2z)+(-xy+4z)-9(pq-pr)-(6pq-pr)
4y+(5y+8)5y+(2y-9z)+(6z-2y)
5(4t-1)+2t5-(3a+9)-(2a+2)
6(-ab-4a)-(3a-4b)6(abc+3a)-5(5a-4abc)
9(xy+4z)+(-xy-3z)-3(pq+pr)-(3pq-pr)
-3x-(7x-7)4x+(3x-7s)+(5s-8x)
-2(2s-2)+7s4+(3a-4)-(4a-8)
9(ab-7a)+(9a-5b)12(abc+6a)+3(2a-5abc)
4(xy-5z)-(-xy+5z)-4(pq-pr)+(7pq+pr)
-4b-(4b+8)b+(3b+3s)+(2s-b)
-2(3n+3)-6n9-(6a+10)+(4a-7)
5(-ab+9a)-(9a-5b)14(abc-2a)-3(7a+7abc)
7(xy+6z)-(-xy+7z)-7(pq-pr)-(9pq-pr)
3y+(7y-8)6y+(5y+8c)-(5c+y)
-7(8t-2)-9t8-(5b-10)-(5b-7)
2(-ab-8a)-(4a+9b)15(abc+2a)-5(2a+9abc)
3(xy-5z)-(-xy+9z)-4(pq-pr)-(6pq-pr)
-3n-(5n+9)4n-(4n+4s)+(3s+n)
-6(9a+2)+7a9+(3y+5)-(5y-5)
3(-ab-7a)+(4a-7b)15(abc-9a)+2(6a+7abc)
8(xy+2z)-(-xy-8z)-4(pq-pr)-(3pq-pr)
-8a-(3a+2)a-(6a-6c)+(8c-7a)
5(2b-9)-8b1+(2m+1)+(3m-5)
8(ab+3a)-(5a-5b)8(abc-7a)-3(3a+8abc)
4(xy-2z)+(-xy+7z)-5(pq+pr)-(8pq-pr)
2y-(8y-3)7y+(4y+2s)+(8s-8y)
-4(8m+10)-9m9+(5m+1)+(6m-3)
5(ab-9a)+(6a+8b)18(abc+6a)-9(8a-5abc)
6(xy+8z)+(-xy+3z)-2(pq-pr)-(2pq+pr)
-9x-(6x+1)x+(6x+5d)-(6d+x)
5(2b-2)+8b10-(2b-10)-(4b-6)
6(-ab+3a)+(4a+6b)2(abc-7a)-5(3a+8abc)
4(xy+6z)-(-xy+6z)-8(pq-pr)+(9pq+pr)
6y-(7y-1)y-(5y+4z)+(6z-3y)
-2(7t+6)+2t6+(3b-6)+(5b+9)
4(-ab-7a)+(8a-9b)4(abc-3a)+5(5a-8abc)
4(xy-4z)-(-xy+2z)-3(pq-pr)-(7pq+pr)
9y+(8y-1)3y+(6y+2z)-(9z+4y)
-5(5a-5)-8a8+(9x+9)-(9x-3)
9(-ab+5a)+(2a+8b)6(abc-8a)-7(8a-3abc)
5(xy+8z)-(-xy-6z)-3(pq-pr)-(4pq+pr)
-6m+(8m-1)3m-(8m-6c)-(6c+4m)
4(3s+2)+5s2-(4m+10)-(9m+5)
5(ab+9a)-(2a+2b)10(abc+9a)+8(7a+8abc)
7(xy-3z)-(-xy-7z)-5(pq+pr)+(9pq+pr)
-9y+(2y-9)5y+(7y+5c)+(3c-y)
4(2n-1)-3n5-(6b+10)+(8b+3)
9(ab+8a)-(6a-8b)20(abc+6a)+4(5a-5abc)
8(xy-5z)-(-xy-4z)-9(pq+pr)-(5pq+pr)
7y-(4y+5)y-(3y-8d)-(4d+8y)
-9(9n+5)-8n5-(5a-5)+(3a+3)
4(ab+7a)+(2a+9b)5(abc-8a)+7(8a+7abc)
9(xy+5z)+(-xy+8z)-5(pq-pr)+(8pq+pr)
-4a+(7a-7)6a+(5a+4d)+(9d+a)
4(6b+4)+6b4+(4m+10)-(4m-1)
8(-ab-8a)+(7a+7b)5(abc-8a)-8(6a+4abc)
2(xy-8z)+(-xy+7z)-6(pq+pr)+(6pq-pr)
9n+(9n-6)n+(3n+8c)-(3c+8n)
-2(8a-7)+3a5+(8x+3)-(2x+9)
3(ab+9a)+(3a+3b)10(abc+7a)+9(9a+3abc)
5(xy+6z)+(-xy+6z)-9(pq-pr)-(4pq+pr)
7m+(8m+4)m-(9m+3d)-(8d+m)
-8(2s-7)+7s10+(2a+1)+(5a+5)
5(-ab+5a)+(7a+6b)13(abc+8a)-2(4a-3abc)
5(xy-5z)-(-xy-2z)-4(pq+pr)-(8pq-pr)
-7b+(6b+6)b+(9b-2p)+(7p-b)