七年级数学上册合并同类项练习题精编4.docx
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七年级数学上册合并同类项练习题精编4
-7(7a+2)-8a4+(5m+7)-(9m-9)
9(ab-5a)+(2a+6b)6(abc+8a)-6(8a-5abc)
9(xy+4z)+(-xy-5z)-3(pq+pr)+(7pq+pr)
8y+(3y+7)y+(8y+9p)-(7p-y)
-8(9m+6)-9m2-(3m-9)-(2m-1)
3(-ab-7a)+(3a-9b)6(abc+3a)+2(7a+5abc)
2(xy-2z)-(-xy-4z)-5(pq+pr)+(7pq+pr)
-5a+(3a+1)a+(8a+8d)+(8d-4a)
-6(5n-1)+7n5-(4x+6)-(2x+9)
3(-ab+2a)+(6a+7b)5(abc+7a)+6(8a-6abc)
2(xy+4z)+(-xy+6z)-3(pq+pr)-(8pq+pr)
6y+(8y+9)y+(9y-7p)+(6p-8y)
5(4b+4)+8b7+(4y+2)+(2y-10)
8(-ab-4a)-(4a-7b)8(abc+8a)+5(7a+5abc)
2(xy+9z)-(-xy+8z)-3(pq+pr)+(4pq+pr)
3n+(2n+1)n-(9n+8s)-(9s+4n)
3(7b-8)-3b10+(5a-8)+(4a+8)
7(ab+6a)-(2a+7b)9(abc+3a)+5(5a-9abc)
2(xy+6z)+(-xy-3z)-4(pq-pr)+(4pq-pr)
-7n-(6n-6)3n+(3n-7q)+(7q-9n)
9(2n+2)-7n10+(2y-1)-(8y+2)
3(-ab+2a)+(7a-3b)7(abc+5a)-3(9a-6abc)
9(xy+7z)+(-xy+7z)-8(pq-pr)-(4pq-pr)
-3x-(7x+3)3x-(5x-2p)+(9p+x)
-7(8s-8)+2s6-(2m+2)-(9m+5)
5(-ab-9a)+(2a+3b)9(abc-3a)+6(2a-6abc)
6(xy-3z)-(-xy-3z)-2(pq-pr)+(3pq+pr)
-9m-(9m-7)m-(4m+9c)-(3c+3m)
-2(4s+3)+5s9-(8n+7)-(5n+7)
6(-ab-7a)-(4a+4b)5(abc-2a)+8(8a+6abc)
2(xy-5z)-(-xy+8z)-9(pq-pr)-(2pq+pr)
-7y-(7y+2)8y+(5y-4s)+(2s-6y)
6(4b+2)+3b9-(9b+6)-(8b+3)
7(-ab-5a)-(3a+9b)6(abc+9a)+6(6a-2abc)
4(xy+4z)-(-xy+9z)-9(pq-pr)+(7pq+pr)
-4m+(7m-9)m-(4m+8s)-(3s+6m)
2(9b+4)-9b6-(6m+10)-(6m+7)
9(ab+5a)-(9a+5b)8(abc-2a)-5(4a+5abc)
4(xy+8z)-(-xy-8z)-9(pq+pr)-(5pq+pr)
8n+(3n-9)n-(6n+5c)+(4c-n)
6(4a+4)+2a5+(2a-7)+(7a+5)
6(ab+8a)+(8a-4b)19(abc+5a)-7(3a-9abc)
2(xy-6z)-(-xy-6z)-6(pq-pr)-(4pq+pr)
-3n+(9n+8)8n+(3n+4c)-(9c+5n)
-3(9b+10)-3b5-(5n+5)+(2n-10)
9(-ab-2a)+(7a-3b)5(abc+6a)-9(4a-8abc)
8(xy-6z)-(-xy+3z)-3(pq+pr)+(5pq-pr)
-8y+(2y-9)2y-(4y-4p)+(9p-y)
-7(3n+9)+9n2+(2n-3)+(7n-7)
3(-ab+2a)-(6a+7b)20(abc-7a)+7(3a-6abc)
7(xy-5z)+(-xy-7z)-3(pq+pr)+(4pq-pr)
-5x-(8x-3)6x+(2x+4p)+(3p+7x)
5(7t+4)+4t1+(5y-1)-(7y+5)
6(ab+8a)-(8a+3b)7(abc+4a)-9(6a+3abc)
4(xy-4z)-(-xy+7z)-6(pq-pr)-(2pq-pr)
4n+(3n-3)5n+(8n+7z)-(2z-n)
-8(6m+4)+7m10+(3y-10)-(9y+8)
8(ab-5a)-(2a+7b)11(abc-4a)-5(5a+8abc)
8(xy+2z)+(-xy+7z)-2(pq-pr)-(2pq+pr)
9n-(5n-4)n-(7n+5d)+(8d+n)
-5(8m-6)+6m2-(6b+6)-(6b-7)
5(-ab+5a)-(6a+6b)19(abc-6a)-7(6a+4abc)
4(xy-9z)-(-xy-9z)-9(pq+pr)+(7pq-pr)
6a+(9a+2)4a-(7a-8q)+(9q-8a)
-8(7n+3)-5n6+(6m+1)-(5m+2)
8(ab+7a)+(8a-2b)14(abc+7a)-7(8a+2abc)
3(xy-7z)+(-xy+5z)-8(pq-pr)+(5pq+pr)
4m-(4m+2)5m-(5m+4p)-(5p-m)
6(6s-4)-5s10-(2x-1)-(3x-8)
4(-ab+7a)+(9a+2b)12(abc+9a)+8(2a+4abc)
2(xy-2z)+(-xy+7z)-4(pq+pr)+(6pq-pr)
-5x+(3x-8)x+(7x+2z)-(5z-x)
-7(4s-6)+5s8+(4b+10)-(3b+1)
5(ab+7a)-(2a-6b)9(abc-2a)+7(6a+6abc)
6(xy+2z)+(-xy-7z)-8(pq+pr)+(7pq-pr)