七年级数学上册合并同类项专项训练8.docx
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七年级数学上册合并同类项专项训练8.docx
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七年级数学上册合并同类项专项训练8
-9m-(7m-3)7m+(9m-7c)-(6c+9m)
7(8n+10)+5n8-(9x-3)-(5x-2)
2(-ab-4a)+(6a-8b)15(abc-3a)-2(7a-5abc)
5(xy+3z)-(-xy+2z)-6(pq+pr)+(9pq+pr)
-2m+(9m+2)9m-(3m+4q)+(9q+2m)
7(2m-6)-4m5-(8n+8)+(3n-5)
5(-ab-3a)-(8a-2b)11(abc-7a)-3(7a-9abc)
8(xy-2z)-(-xy-6z)-7(pq+pr)+(9pq-pr)
-4b+(9b+7)4b-(2b-6s)-(9s+b)
7(8a-10)+8a10-(5m+3)-(9m-9)
3(ab-5a)-(9a-8b)6(abc-9a)+6(6a+7abc)
7(xy+6z)+(-xy+4z)-4(pq-pr)-(7pq+pr)
7n+(7n-3)8n-(8n+7p)+(9p-n)
7(8b+9)-8b3-(9m-2)-(3m+6)
4(-ab-3a)-(3a+8b)14(abc+4a)-3(5a-2abc)
2(xy-2z)-(-xy-8z)-5(pq+pr)-(4pq+pr)
-8n+(8n+8)9n-(8n+8d)-(9d-5n)
5(8s+1)+8s8+(6m-1)+(6m-10)
3(ab-6a)+(3a+2b)19(abc+2a)-6(3a-4abc)
4(xy-4z)+(-xy-6z)-7(pq-pr)-(8pq-pr)
9y+(5y-4)7y+(7y-8z)+(9z+y)
-8(8n+10)+9n2+(8x+6)-(8x+3)
8(-ab-4a)+(3a+2b)12(abc-9a)-7(6a-9abc)
9(xy+2z)-(-xy+3z)-5(pq-pr)+(7pq-pr)
6n+(4n-1)9n-(7n-9p)-(8p-7n)
-2(5n-7)-8n4-(8a+1)+(7a+10)
4(-ab+2a)+(3a-4b)19(abc-4a)-3(9a+7abc)
8(xy+9z)-(-xy+2z)-9(pq+pr)+(6pq+pr)
-6n-(7n-2)n+(8n+5q)-(2q+9n)
6(4s-7)+9s8+(8m-7)+(2m+9)
7(-ab-2a)-(7a-8b)8(abc+7a)-9(4a+7abc)
9(xy+4z)+(-xy+3z)-9(pq+pr)-(8pq-pr)
4x-(2x+1)x+(4x+8s)+(6s-8x)
-7(7a+9)+7a5-(3n-1)-(7n-5)
2(-ab-7a)-(9a-8b)5(abc-7a)+7(2a-5abc)
5(xy+2z)+(-xy-4z)-7(pq-pr)+(5pq-pr)
-2n-(7n+6)n+(4n+9c)-(4c-n)
8(4a+5)+5a5+(7y+4)+(9y+8)
7(ab-8a)-(5a+8b)17(abc+9a)+4(6a-7abc)
5(xy-9z)-(-xy-9z)-7(pq-pr)-(5pq+pr)
-7y-(6y-6)9y+(4y-6d)-(8d+y)
-5(5n-4)-8n6-(8a-5)+(7a+6)
7(-ab-6a)-(9a-5b)16(abc+9a)-2(4a+5abc)
3(xy-3z)-(-xy+9z)-7(pq+pr)-(3pq-pr)
-9y+(4y+9)9y+(3y-2q)-(2q+y)
-7(3a+4)-6a9-(4b+1)-(3b+10)
9(-ab-6a)-(5a-6b)2(abc-2a)-9(6a+6abc)
5(xy+8z)-(-xy-6z)-6(pq+pr)+(5pq+pr)
3a-(9a+5)a+(2a+6z)-(9z-a)
-4(9m-5)+3m3+(5n-3)-(6n+1)
6(ab+3a)-(4a+7b)2(abc-7a)+8(2a-9abc)
9(xy+2z)+(-xy-7z)-3(pq+pr)-(4pq-pr)
-3n-(2n-4)n-(4n-6q)-(2q+n)
-5(7n-5)+8n1-(6m+5)+(6m+2)
3(-ab-4a)+(3a-8b)18(abc-7a)+3(7a-9abc)
6(xy+2z)-(-xy+3z)-9(pq+pr)+(5pq-pr)
9m-(3m-5)m+(9m+4d)+(8d+3m)
-9(6s-6)+2s2-(4m+4)-(5m-6)
6(-ab-7a)+(5a+6b)12(abc+5a)+6(6a+9abc)
8(xy+7z)-(-xy+6z)-7(pq-pr)+(2pq+pr)
7m+(8m+3)3m+(3m-5p)+(8p-m)
4(4t-9)-8t1-(5b+6)+(5b+8)
8(-ab-3a)+(7a-5b)3(abc-4a)+9(6a+4abc)
3(xy-7z)-(-xy-3z)-3(pq+pr)-(9pq+pr)
5y+(4y+6)y+(8y+4s)+(8s-y)
9(2t+10)+9t9-(3y-6)+(3y-2)
2(ab-3a)-(2a-5b)3(abc-3a)-8(6a-5abc)
4(xy+2z)-(-xy-8z)-3(pq+pr)+(5pq-pr)
-5n-(8n+8)n+(6n+9z)-(4z-n)
5(9n-1)-3n6+(2y+2)-(6y+7)
9(-ab-6a)-(5a-2b)2(abc-3a)+7(9a-6abc)
9(xy+5z)-(-xy-5z)-6(pq+pr)+(7pq+pr)
4x+(9x-7)3x+(2x+8z)+(6z-8x)
2(2a+4)+7a7-(6n+5)-(3n-3)
2(ab+9a)-(7a-3b)19(abc-4a)+2(7a+4abc)
4(xy+5z)+(-xy+2z)-9(pq-pr)-(8pq+pr)
4a+(5a-3)4a+(6a+6d)-(6d+a)
5(6n+1)+9n6+(8n-2)+(9n-6)
8(-ab+2a)+(9a+7b)18(abc-8a)+5(8a+7abc)
5(xy+7z)-(-xy+6z)-7(pq-pr)+(9pq-pr)
2a+(7a+9)a+(8a-3s)+(6s-5a)
-4(8n-1)-9n1-(9y+1)-(2y-5)
2(ab+2a)+(3a+2b)2(abc+6a)-8(7a-5abc)
9(xy+6z)+(-xy-3z)-4(pq+pr)-(2pq+pr)
7m-(4m+1)6m-(5m+8z)-(4z+9m)
-6(3n+10)-4n8-(3n+5)-(4n+3)
6(-ab+2a)+(3a+6b)7(abc+3a)-2(2a+3abc)
2(xy+9z)+(-xy+4z)-2(pq+pr)+(7pq+pr)
-7x+(6x-5)9x-(4x+3q)-(3q-6x)
2(6t-10)-2t7+(3b-1)-(9b-4)
3(ab+7a)-(5a+4b)8(abc+6a)+9(5a+6abc)
9(xy-2z)-(-xy-3z)-3(pq-pr)+(8pq-pr)
7x+(7x-2)5x-(3x+3c)+(3c+8x)
-7(2s-8)+9s1+(8a-6)+(5a+9)
9(-ab-2a)+(9a+9b)15(abc-6a)-2(4a-4abc)
2(xy-5z)-(-xy-6z)-2(pq+pr)-(8pq+pr)
6y+(6y+2)7y+(2y-5s)+(4s+5y)
3(9b-8)-4b4-(5n-10)-(2n+3)
2(-ab+5a)+(7a+9b)8(abc+8a)-5(5a+7abc)
4(xy-3z)-(-xy-7z)-2(pq-pr)-(8pq+pr)
-3n+(6n-7)4n+(6n+7p)-(6p-2n)
-5(8t-9)-9t4+(3a-9)-(7a+1)
9(ab-2a)-(9a-9b)18(abc+9a)+2(9a-4abc)
2(xy+9z)+(-xy+8z)-2(pq-pr)+(7pq-pr)
-6b-(7b+6)6b+(9b-9c)-(4c-b)
7(2s-1)-3s8+(8x+3)+(8x-6)
3(ab+9a)+(2a+2b)16(abc-4a)-5(8a+7abc)
6(xy-9z)+(-xy-4z)-5(pq-pr)-(8pq+pr)
9b+(7b+8)2b-(8b-2q)-(5q+3b)
3(6b-9)+3b10+(8a-9)+(5a+6)
2(-ab-9a)-(8a+5b)20(abc-3a)+3(9a-3abc)
4(xy+8z)-(-xy+3z)-6(pq-pr)-(8pq+pr)
-6a-(3a-6)9a-(3a+8s)-(6s+8a)
-9(9a-6)+5a5-(3m-5)-(7m-10)
3(-ab+3a)+(2a+8b)15(abc+7a)-3(9a-9abc)
4(xy-8z)-(-xy-7z)-6(pq-pr)+(9pq+pr)
-7b-(5b+9)b-(4b-7q)-(7q+b)
-8(6b-4)+6b3+(4b-9)-(9b-3)
3(ab-7a)+(5a+3b)13(abc+8a)+7(3a-2abc)
9(xy+9z)-(-xy-6z)-9(pq-pr)+(6pq+pr)
-8y+(2y+4)y+(2y-7s)-(6s+5y)
-2(6a-1)-5a8-(7n-10)-(9n+4)
2(ab-7a)+(4a+4b)2(abc+2a)-6(7a+9abc)
7(xy+2z)+(-xy-7z)-5(pq-pr)+(9pq-pr)
-8b-(2b+6)b+(6b+3q)+(6q+9b)
4(5s+4)-7s8+(3x-5)-(4x+8)
9(-ab+6a)-(5a-9b)13(abc-2a)-5(2a-5abc)
5(xy+9z)+(-xy-9z)-6(pq-pr)+(5pq-pr)
2y-(2y-8)y-(7y+3q)+(5q+y)
-7(3a+2)+3a3+(3m-1)-(7m-5)
3(-ab-2a)+(5a+6b)13(abc-8a)-6(4a+3abc)
2(xy-3z)+(-xy+7z)-4(pq+pr)+(6pq+pr)
-2m-(8m-2)8m-(6m-2s)-(4s-2m)
3(4m+4)+9m4+(8y+9)-(6y+6)
9(-ab
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- 七年 级数 上册 合并 同类项 专项 训练