七年级数学上册合并同类项练习题精编1.docx
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七年级数学上册合并同类项练习题精编1
-7a+(3a-9)2a-(9a-3p)-(7p+a)
7(6m-6)-5m8-(6n-8)-(7n+10)
7(-ab+9a)+(4a-8b)9(abc+3a)-7(4a+3abc)
9(xy-5z)-(-xy-8z)-6(pq-pr)-(4pq-pr)
4b-(2b-6)b+(4b-6s)+(2s+9b)
9(6t-6)-8t9+(9m-1)-(9m+4)
9(ab+4a)+(3a-4b)2(abc+6a)+3(6a-5abc)
3(xy+6z)+(-xy+4z)-6(pq+pr)-(7pq+pr)
4x+(2x+6)x+(8x+6z)+(2z-3x)
-9(5m-4)+5m3+(3y+1)+(7y+8)
5(ab-6a)+(8a-7b)14(abc-8a)-9(7a+5abc)
7(xy+7z)+(-xy+6z)-9(pq-pr)-(5pq+pr)
8b+(9b-7)b-(7b-6q)-(3q-b)
-2(9b+5)+8b3-(5a+1)+(3a+6)
5(-ab-7a)-(2a-6b)10(abc-3a)-4(7a-9abc)
3(xy-8z)-(-xy+4z)-2(pq+pr)+(7pq+pr)
-7x-(8x-2)3x+(3x+6p)-(9p-7x)
7(7m-5)+5m4-(8n+5)-(6n+10)
6(ab-4a)+(6a+4b)9(abc-5a)-5(7a+9abc)
7(xy-5z)-(-xy-8z)-2(pq+pr)-(5pq-pr)
-5m+(6m+3)6m-(6m+6z)+(4z-m)
7(5n-10)-7n4+(5b+2)-(5b+2)
9(ab+8a)+(5a-6b)5(abc+5a)+3(7a-9abc)
6(xy-2z)-(-xy+3z)-6(pq-pr)-(8pq-pr)
-3y-(9y-8)y-(9y-5q)+(8q+y)
-2(3t+4)+9t3-(4y+6)+(7y-10)
8(ab+7a)-(9a+5b)9(abc-9a)+4(8a-4abc)
3(xy+9z)+(-xy+8z)-9(pq+pr)+(8pq+pr)
9m+(4m-4)m+(2m+5s)-(7s+m)
5(9n+4)+6n3-(3b+3)+(5b-3)
7(-ab-6a)+(7a-6b)2(abc-5a)-9(9a+9abc)
8(xy+7z)+(-xy+3z)-9(pq+pr)-(5pq+pr)
-6y-(9y+1)2y-(9y-2s)+(6s-y)
8(9t-1)-9t4+(8x-1)+(3x+6)
9(-ab+3a)-(6a+6b)7(abc-8a)+8(5a+9abc)
4(xy+2z)+(-xy-8z)-9(pq-pr)+(5pq+pr)
4a+(2a-4)a+(8a+8q)+(3q-4a)
3(6t+3)-4t9-(7b-8)-(2b-10)
6(ab+3a)-(8a-6b)17(abc-7a)+8(8a-2abc)
7(xy+4z)+(-xy+5z)-6(pq+pr)-(8pq-pr)
-9n+(2n-9)n+(9n+4d)-(2d-n)
5(9b-8)-4b9-(6y-10)-(7y-3)
2(-ab-6a)-(3a+4b)10(abc+5a)+3(9a+5abc)
9(xy+2z)-(-xy-9z)-2(pq+pr)+(7pq+pr)
-9b+(5b+3)b-(4b-2q)+(7q-b)
2(2n-9)-3n8+(3x-8)-(3x-5)
3(-ab+5a)+(4a-8b)20(abc+9a)-8(8a+8abc)
8(xy-6z)+(-xy-8z)-4(pq+pr)-(3pq-pr)
-7b+(9b-2)b+(3b+8s)+(4s-b)
-4(5s+6)-8s7-(9a-1)+(6a-1)
5(ab+5a)-(3a+2b)9(abc-3a)+2(5a+4abc)
5(xy+2z)+(-xy-9z)-5(pq+pr)+(4pq+pr)
-5y+(6y+7)6y+(5y+2q)-(4q-y)
3(6n-1)+4n7+(8b-3)+(3b-8)
8(ab-2a)+(4a-6b)4(abc+8a)-4(3a+7abc)
7(xy-7z)+(-xy-2z)-2(pq+pr)+(5pq-pr)
3n+(8n-3)n+(9n+9c)-(5c-6n)
-6(2t+9)-5t7-(7y+1)+(4y-10)
7(-ab-7a)+(3a-6b)11(abc-9a)+3(3a+9abc)
5(xy+3z)+(-xy-7z)-9(pq+pr)-(2pq+pr)
6n-(4n-3)n+(5n-4q)-(9q+n)
-9(7n-2)-9n4+(8x-6)-(7x-1)
4(ab-5a)-(9a-9b)20(abc+6a)+6(9a-6abc)
2(xy+6z)-(-xy+9z)-6(pq-pr)-(6pq-pr)
-3b-(8b-4)7b-(6b-5s)-(5s-6b)
-8(6t-5)-7t9-(5a-2)-(8a-9)
6(-ab+3a)+(3a-6b)16(abc+6a)+7(7a+4abc)
4(xy-6z)+(-xy-2z)-9(pq+pr)+(4pq-pr)
-5y-(9y-1)y-(6y+3d)+(9d+8y)
-6(3a+9)-9a1+(2x+8)+(6x+1)
3(-ab+3a)+(2a+2b)10(abc+2a)+8(3a+3abc)
6(xy-5z)+(-xy-7z)-5(pq+pr)+(3pq+pr)
7b-(2b+9)5b+(2b-8p)+(9p+b)
7(3m-6)+2m3+(9b-5)+(2b-1)
7(-ab+6a)-(4a-9b)4(abc-9a)-6(6a-6abc)