七年级数学上册合并同类项练习题精编308.docx
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七年级数学上册合并同类项练习题精编308
6(4a+1)+8a9+(7a-10)-(5a-8)
5(-ab-2a)+(9a+4b)19(abc-3a)+5(5a-2abc)
4(xy-8z)+(-xy+8z)-3(pq+pr)-(5pq-pr)
9a+(5a+5)5a+(5a+9z)-(3z+7a)
-4(3t-7)-8t10+(2n+2)-(3n+6)
2(ab+9a)+(4a-4b)10(abc-7a)+8(5a+6abc)
2(xy+3z)-(-xy+9z)-2(pq+pr)+(2pq-pr)
-9x+(2x-3)9x-(5x+8q)-(8q+9x)
4(8b+9)-7b3-(6m+2)-(8m-8)
6(ab+2a)+(7a-5b)13(abc+6a)+2(6a+7abc)
8(xy+6z)-(-xy+9z)-3(pq+pr)+(2pq+pr)
-9y-(5y+2)8y-(8y+7s)+(7s+y)
-8(9a-3)+3a6+(3a-4)+(2a-3)
4(ab+9a)+(7a+3b)2(abc+2a)-6(3a+5abc)
8(xy-2z)+(-xy-7z)-9(pq-pr)+(5pq+pr)
-2y-(9y+7)y-(6y+7d)+(5d-3y)
4(3m+5)+9m5-(6y-1)+(3y-8)
4(ab+4a)-(6a-5b)2(abc-9a)+6(9a-2abc)
4(xy+7z)+(-xy-8z)-2(pq+pr)-(8pq-pr)
-8b+(6b+8)5b-(7b-8p)+(7p+b)
-9(3n+9)+2n6-(4n-2)+(5n+4)
7(ab-5a)-(6a-5b)16(abc+5a)-6(8a+7abc)
2(xy+8z)-(-xy+8z)-6(pq+pr)+(8pq+pr)
-5y-(7y-6)4y+(4y+7s)+(8s+y)
-6(2b-3)+2b8-(5y-6)+(3y-2)
8(ab+7a)+(4a-7b)12(abc-9a)-4(6a+8abc)
4(xy-8z)+(-xy+4z)-3(pq+pr)-(8pq-pr)
-7b+(9b-7)8b-(3b+3d)-(5d-2b)
-4(6s-5)+5s7+(7n+6)-(9n+10)
5(ab-5a)+(7a+4b)2(abc-7a)+4(6a+6abc)
2(xy-6z)-(-xy+3z)-5(pq+pr)+(9pq+pr)
5b+(4b-9)2b-(6b+8d)-(6d+b)
6(6t+5)+8t1+(7y-5)+(6y+8)
2(-ab-2a)+(4a+5b)3(abc-6a)-7(3a-5abc)
4(xy-7z)+(-xy-4z)-3(pq-pr)+(3pq+pr)
7y-(2y-8)y+(4y-8p)+(6p-5y)
-5(6n+1)-3n9-(5x-2)+(5x-7)
5(-ab+6a)+(5a-8b)18(abc+2a)-5(3a-9abc)
4(xy+7z)-(-xy+3z)-9(pq-pr)+(9pq-pr)
3y-(5y-3)4y+(5y-3z)+(8z-y)
-6(4n+10)+8n4-(8x-5)-(9x-8)
2(-ab-8a)+(4a-6b)17(abc+7a)+7(6a+4abc)
3(xy+2z)-(-xy-9z)-7(pq+pr)-(6pq-pr)
-4n+(4n-3)n+(7n-3z)-(8z+n)
3(2n+1)+6n5-(9x+2)+(6x+4)
6(-ab+5a)-(2a-6b)15(abc-8a)+2(7a-9abc)
9(xy+7z)-(-xy-5z)-7(pq+pr)+(2pq-pr)
6x-(7x+2)3x-(3x+2d)+(9d+x)
7(4s-8)-2s9+(5a+8)+(7a-8)
2(-ab+5a)+(8a+7b)14(abc+3a)-3(2a-6abc)
8(xy-4z)-(-xy-6z)-3(pq+pr)-(4pq+pr)
-4y-(4y+9)5y+(2y+8s)-(6s+7y)
-6(4n-4)+7n8+(2b+4)+(8b-8)
6(-ab-8a)-(4a-7b)17(abc+6a)-9(2a-9abc)
3(xy+9z)-(-xy-6z)-8(pq-pr)+(6pq-pr)
-2m-(3m-8)8m+(8m+6z)+(7z-m)
3(2a+3)+8a6+(7m+1)-(7m+10)
6(-ab-3a)+(3a-3b)7(abc-4a)-3(9a-9abc)
2(xy+9z)-(-xy+8z)-5(pq+pr)-(9pq-pr)
-5b-(5b+7)b+(7b-3d)-(7d-b)
4(7n+7)-4n6-(4x+5)-(7x-9)
2(ab-5a)-(7a+6b)10(abc+7a)-8(9a+8abc)
7(xy+9z)-(-xy+2z)-6(pq+pr)+(3pq+pr)
4n+(2n-8)5n+(3n-8s)-(5s+n)
-9(2t-8)-6t3-(4b+1)-(9b+9)
8(-ab-3a)+(3a-7b)7(abc-7a)+2(3a+6abc)
2(xy-7z)-(-xy+7z)-7(pq-pr)-(7pq+pr)
-4n-(7n+2)2n-(2n-3q)+(6q-4n)
-2(7n+2)-5n1-(7m+9)+(6m+5)
9(ab+9a)+(8a-8b)7(abc-4a)+9(7a+8abc)
5(xy+9z)+(-xy+7z)-7(pq-pr)-(5pq+pr)
2y+(8y-4)2y+(7y+4d)-(7d-6y)
-6(9t-5)+2t6+(2m+5)+(6m+2)
2(ab+3a)+(7a-6b)10(abc-4a)+3(6a+8abc)
4(xy-7z)+(-xy+9z)-8(pq-pr)+(5pq+pr)