七年级数学上册合并同类项专项训练1.docx
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七年级数学上册合并同类项专项训练1.docx
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七年级数学上册合并同类项专项训练1
-4a-(2a+2)2a-(4a-2c)+(8c-a)
9(6t+9)+7t1-(8y+3)+(4y+2)
8(-ab-5a)+(9a+6b)18(abc-6a)+2(8a-2abc)
7(xy+3z)-(-xy-9z)-7(pq+pr)-(2pq-pr)
9m-(9m+9)9m+(8m-5d)-(4d+2m)
4(7s+8)-2s5+(5y-7)+(8y-1)
2(ab-4a)+(4a+9b)7(abc+7a)-9(2a+8abc)
8(xy-9z)-(-xy-2z)-2(pq-pr)-(9pq+pr)
6b-(6b-5)2b+(9b+9z)-(8z-5b)
9(8m+3)+6m7+(2a+9)-(2a+7)
7(ab+6a)+(8a+3b)18(abc-7a)+3(6a+8abc)
6(xy+7z)-(-xy-5z)-5(pq+pr)+(4pq+pr)
3x+(9x+4)x-(3x-4d)+(6d+9x)
4(5m+10)-3m9+(7y-10)-(2y+6)
4(ab-2a)+(8a+9b)3(abc+6a)-9(4a-9abc)
5(xy+2z)-(-xy+3z)-5(pq+pr)+(3pq-pr)
-8m+(3m+4)m-(9m-6c)-(9c-m)
2(2m+2)-9m9+(4x+10)+(3x-10)
5(-ab+2a)-(6a+9b)12(abc+7a)-6(2a+9abc)
6(xy+5z)-(-xy+7z)-2(pq-pr)-(2pq+pr)
8m+(3m+6)m+(8m-5p)-(4p+m)
9(9n+7)+8n8+(6x-7)-(8x+2)
9(-ab-2a)-(5a-5b)10(abc+2a)+4(7a+3abc)
4(xy+2z)+(-xy-7z)-6(pq+pr)+(2pq-pr)
4m-(9m-8)m+(3m-2z)+(5z-7m)
7(5b-2)+7b6+(5y-1)+(2y+7)
6(ab-5a)+(6a+6b)8(abc-7a)-4(9a+4abc)
6(xy-7z)-(-xy+6z)-6(pq+pr)-(6pq-pr)
5x-(6x+3)x+(9x-7q)+(4q-9x)
3(2s+9)+5s10+(3a-1)+(4a+7)
9(-ab-6a)+(5a-2b)11(abc+2a)-5(2a-4abc)
4(xy+5z)+(-xy+4z)-8(pq-pr)-(6pq+pr)
5b-(9b+5)b+(5b-5s)-(7s+b)
-8(4n-1)+8n1+(3y-2)+(2y+9)
5(ab-4a)-(7a+5b)17(abc+9a)-8(7a-7abc)
4(xy+4z)+(-xy+3z)-2(pq-pr)-(5pq+pr)
5n-(9n+9)8n-(4n+9z)+(6z+n)
9(9t-10)-5t2-(3y+10)+(3y+10)
6(-ab-2a)-(4a+2b)17(abc-4a)+7(9a-2abc)
7(xy-5z)+(-xy+3z)-7(pq-pr)-(9pq+pr)
-4m-(5m-6)5m-(2m-9z)+(9z+2m)
-7(8a+9)+5a4+(4a-10)+(4a+5)
9(-ab-2a)-(2a+2b)12(abc-8a)-5(3a-9abc)
9(xy-5z)+(-xy+8z)-8(pq+pr)+(2pq-pr)
-8y+(7y-6)6y+(8y+8c)+(9c-9y)
2(9a+10)-3a9+(3b+10)+(8b+1)
7(-ab+2a)-(4a-2b)14(abc+3a)-2(8a+5abc)
7(xy-5z)+(-xy-9z)-8(pq+pr)-(7pq+pr)
8b+(3b+7)9b-(2b-6z)+(2z-6b)
-9(2a-2)+7a3-(4a-10)-(3a-8)
4(ab+9a)-(9a-9b)5(abc+5a)-3(6a+4abc)
9(xy+7z)-(-xy+2z)-4(pq+pr)-(6pq-pr)
-3y+(5y+1)5y+(7y-3p)+(8p-5y)
-5(5s+3)-2s9+(8x+1)-(7x+6)
2(ab+6a)+(6a-4b)3(abc-6a)+6(6a-2abc)
6(xy+2z)-(-xy+6z)-6(pq-pr)-(7pq-pr)
-7n-(7n+3)7n+(2n-9z)-(9z+8n)
7(8m+2)-9m9+(7y+6)+(8y-8)
8(ab+7a)-(8a+4b)8(abc+6a)+2(4a+7abc)
8(xy-2z)-(-xy-8z)-5(pq-pr)+(6pq-pr)
9x-(4x+8)8x+(5x-8q)-(7q-x)
-6(4b-10)+3b3+(9n-6)-(7n+8)
2(ab-3a)+(7a+8b)7(abc+3a)-6(7a+3abc)
6(xy-4z)-(-xy+5z)-7(pq+pr)-(7pq+pr)
-9a-(4a+4)9a+(4a+9p)+(8p+a)
6(8a+4)-4a2+(8n-4)+(3n-9)
6(-ab+3a)+(4a+2b)19(abc+5a)-8(7a-9abc)
5(xy+2z)-(-xy+4z)-6(pq-pr)-(7pq-pr)
6x+(3x+2)x+(6x+3q)-(4q+x)
-3(7s+8)-4s3+(5x-6)+(5x+7)
7(ab-7a)-(3a+2b)10(abc-3a)+3(8a-7abc)
4(xy+6z)-(-xy+9z)-3(pq-pr)-(4pq+pr)
-6y-(6y-6)4y-(4y+5q)-(6q-y)
-2(2s+2)-2s5+(3a-10)+(7a-7)
7(ab+8a)-(8a-8b)10(abc-5a)-3(4a-6abc)
9(xy-9z)-(-xy-5z)-5(pq+pr)-(5pq-pr)
3n+(3n+7)5n-(2n-8z)-(4z+3n)
-7(9b-2)+2b2-(2y+1)+(3y+7)
3(-ab-5a)-(4a-2b)13(abc+3a)+9(4a+7abc)
8(xy+5z)+(-xy+6z)-8(pq-pr)+(8pq-pr)
-3n-(2n-1)n-(9n+6z)+(3z-2n)
7(6b+6)-5b7-(6x+3)+(2x-3)
5(ab-3a)-(6a+7b)20(abc-9a)-4(6a-9abc)
6(xy+7z)-(-xy-9z)-8(pq-pr)-(9pq+pr)
6b+(5b-8)9b+(9b+3p)-(9p-4b)
-5(4a-1)-7a8+(5m+4)+(9m+6)
4(ab+5a)+(4a+8b)20(abc-5a)-2(2a-7abc)
4(xy-7z)-(-xy-7z)-3(pq-pr)+(5pq-pr)
4y+(5y+8)y-(8y+5p)+(5p+y)
2(8s-9)+5s4+(9y+5)+(8y-8)
7(-ab+2a)-(4a-9b)18(abc-2a)-8(2a-9abc)
8(xy-6z)-(-xy+8z)-8(pq-pr)+(2pq-pr)
8a+(3a+5)3a+(7a+2q)+(2q+a)
-6(3a-10)+7a7+(9m+1)+(6m-6)
8(ab+2a)-(2a-3b)10(abc-3a)-5(9a-8abc)
6(xy-2z)-(-xy+9z)-7(pq+pr)-(5pq-pr)
-4x+(5x-4)6x+(8x-4z)+(6z+3x)
-5(6a+10)-9a9-(5m+6)-(6m-7)
7(ab-9a)-(4a+8b)13(abc+8a)-2(6a+8abc)
3(xy+6z)-(-xy+2z)-5(pq+pr)+(7pq+pr)
-5b-(7b-3)7b-(8b+7c)+(5c-b)
9(2n+8)+8n1-(8a+6)-(3a+10)
5(ab+6a)-(7a+8b)13(abc-7a)+5(4a+6abc)
5(xy-6z)+(-xy-6z)-4(pq+pr)-(9pq+pr)
-8n-(7n-3)6n+(4n+6s)+(4s+n)
-4(4a-1)+6a2+(8a+7)-(3a+3)
5(ab+9a)+(4a-7b)2(abc-2a)+5(2a-6abc)
5(xy+6z)+(-xy-6z)-8(pq+pr)+(9pq-pr)
-8b+(6b+8)5b-(6b-5d)-(9d+4b)
-4(6m+9)+4m5+(7b-7)-(9b-10)
7(-ab-3a)-(8a+2b)10(abc-9a)-3(3a+7abc)
6(xy+5z)-(-xy-3z)-8(pq+pr)+(9pq-pr)
7x+(3x-8)x-(7x+8p)+(8p-x)
6(8t+5)+2t4+(8y+2)-(2y-6)
9(-ab-4a)+(8a-3b)2(abc+4a)+3(9a+8abc)
3(xy+2z)-(-xy-8z)-8(pq-pr)+(4pq-pr)
-3b-(4b-1)b+(5b+6s)-(7s+b)
-3(5s-3)+9s3+(3y-1)+(5y-5)
3(-ab+8a)-(8a+2b)18(abc+4a)-9(2a-7abc)
7(xy-3z)-(-xy+9z)-7(pq+pr)+(9pq-pr)
-5n+(5n+7)n+(7n-3s)-(3s-n)
-4(3a-9)+4a7+(8a-7)+(2a+5)
7(ab+2a)+(6a-9b)4(abc+4a)+5(9a-7abc)
3(xy+8z)-(-xy+3z)-2(pq+pr)+(2pq+pr)
-8x+(5x+8)5x+(8x+4q)+(9q+x)
-5(2m-10)-8m4+(2b-7)+(9b-6)
5(ab+2a)-(6a+9b)16(abc+5a)-3(5a-7abc)
2(xy-7z)-(-xy+4z)-8(pq+pr)+(3pq+pr)
-8a+(9a+4)8a-(6a+3s)-(6s-8a)
8(8n+3)-5n9-(3n+1)+(8n-10)
7(ab+8a)+(7a-5b)2(abc-7a)-7(7a-2abc)
8(xy-4z)-(-xy-6z)-6(pq+pr)-(7pq-pr)
-7a-(3a-8)5a-(3a+5z)+(7z+a)
-3(7b+2)-5b10-(6b-3)-(3b+8)
4(ab+2a)+(5a+6b)18(abc+2a)+6(2a+9abc)
7(xy+4z)+(-xy+9z)-6(pq+pr)-(7pq+pr)
-9m-(5m-7)2m+(2m-5d)+(8d-9m)
2(7n-1)-5n10-(7x+7)+(5x+10)
6(ab-3a)-(3a+5b)7(abc+4a)+3(6a+8abc)
2(xy+8z)+(-xy+5z)-9(pq-pr)+(2pq+pr)
-2m-(3m-2)9m+(6m+2c)+(3c+9m)
-8(5m-2)-7m2-(6a+9)-(4a+1)
8(-ab+3a)-(4a+8b)3(abc-6a)-4(5a-9abc)
6(xy-7z)+(-xy+4z)-5(pq+pr)-(6pq+pr)
-4y-(3y-9)y+(6y-9s)-(4s-y)
6(6n+9)-6n10+(8n+10)+(7n+9)
5(ab+3a)-(2a+6b)2(abc-5a)-6(4a+5abc)
3(xy-9z)-(-xy-5z)-5(pq+pr)+(7pq+pr)
-3a+(4a-3)a-(7a+3c)-(5c-8a)
4(8m+9)-3m5+(4b+1)-(2b+8)
2(-ab+6a)-(2a-6b)2(abc-5a)-3(5a-4abc)
9(xy-3z)+(-xy-8z)-8(pq+pr)+(5pq+pr)
8a-(3a-7)a+(8a-4q)+(7q+7a)
8(8t+10)+2t6+(5a+3)-(3a-3)
6(ab-4a)+(7a-4b)7(abc+2a)+6(5a+5abc)
7(xy+8z)+(-xy+5z)-7(pq+pr)+(2pq+pr)
-7m-(7m+1)5m-(7m-5c)+(9c+m)
-3(9a-4)+6a6+(6x-5)-(3x-7)
5(ab-2a)+(2a+4b)14(abc-8a)-4(4a-6abc)
3(xy+8z)-(-xy-4z)-9(pq+pr)+(4pq+pr)
4y+(8y+2)y+(5y-5s)-(8s-y)
-6(9s-9)+5s6-(9m-3)+(8m-7)
9(ab-2a)+(4a-9b)6(abc+7a)-7(9a+4abc)
4(xy-9z)+(-xy-4z)-3(pq+pr)-(3pq+pr)
8b-(4b-5)b+(8b-6q)-(4q-b)
-8(7t+5)+4t6+(6a+8)-(2a-6)
2(-ab+7a)-(5a+2b)9(abc-8a)-6(3a+7abc)
2(xy+3z)-(-xy+8z)-7(pq+pr)+(4pq-pr)
9m+(5m+1)9m-(6m-5p)+(2p+5m)
8(8a+4)+8a4+(4n+3)+(2n-3)
2(ab+4a)+(8a-4b)13(abc+2a)+8(4a-5abc)
4(xy+7z)-(-xy-6z)-9(pq+pr)+(8pq+pr)
-4b-(9b-6)b+(8b+8q)-(7q+7b)
8(6m+5)+7m1+(8n-7)+(8n+5)
2(-ab+6a)-(8a-4b)8(abc-3a)-8(4a-9abc)
9(xy-5z)+(-xy+8z)-7(pq+pr)-(6pq-pr)
5n-(8n-5)n-(3n-7p)+(3p-3n)
2(9b+10)-4b2+(5n+1)+(6n+6)
5(-ab+9a)-(2a+4b)15(abc+3a)+4(9a-9abc)
4(xy+7z)+(-xy+6z)-5(pq-pr)+(9pq+pr)
-4n+(4n-2)n-(8n-2s)-(8s-9n)
-5(5b-10)+8b3+(9b-8)-(9b+8)
8(ab-3a)-(8a+5b)15(abc+5a)-4(4a-8abc)
8(xy+9z)-(-xy+6z)-4(pq+pr)+(2pq+pr)
2y-(7y-6)3y-(5y-8z)-(2z-y)
-9(7n+9)-2n6+(9a-5)+(2a+4)
3(-ab-7a)+(5a-5b)17(abc-5a)+7(5a-8abc)
8(xy-2z)-(-xy+4z)-2(pq+pr)-(3pq+pr)
9m+(9m-9)m-(6m+5d)+(5d+6m)
5(8t+9)-8t5+(8a-8)-(6a+4)
9(-ab+5a)+(7a+8b)3(abc-6a)+6(3a-8abc)
5(xy-4z)-(-xy-4z)-2(pq+pr)-(2pq-pr)
3x+(3x-4)x+(8x+6q)+(7q-x)
9(9s-6)+7s1+(5a+9)-(4a+3)
4(ab+9a)-(2a-3b)2(abc-8a)-5(8a-2abc)
6(xy+3z)+(-xy+7z)-4(pq-pr)+(6pq-pr)
7m+(7m+1)m+(6m-4z)-(9z+5m)
9(9n+9)+7n1+(8y+8)+(2y+2)
3(-ab-3a)+(8a+5b)4(abc+2a)+3(2a+9abc)
2(xy-5z)-(-xy+3z)-9(pq-pr)+(4pq+pr)
3n-(8n-8)n+(8n-3p)-(3p+8n)
8(5m+5)-2m10+(3b+6)+(4b+6)
4(ab+6a)+(9a+8b)17(abc+6a)-6(5a-4abc)
3(xy+3z)-(-xy-3z)-2(pq-pr)-(5pq-pr)
6n+(6n-2)9n+(6n+9q)-(5q+4n)
-4(2t-2)-5t7+(6b+2)-(7b-6)
3(ab-7a)+(6a+9b)17(abc-8a)+2(4a-9abc)
4(xy-7z)-(-xy+4z)-9(pq+pr)-(8pq+pr)
-2x+(6x-9)9x-(6x-8z)+(2z+x)
-5(4a+8)-7a5-(8y+3)+(2y+1)
2(ab+8a)-(2a+8b)13(abc-6a)-5(9a+8abc)
3(xy-3z)-(-xy-8z)-9(pq+pr)+(5pq-pr)
-7y-(9y+4)y+(3y+2d)-(4d+7y)
9(2t-10)-4t5-(4b+10)+(3b+9)
2(-ab-5a)+(2a-8b)15(abc-3a)-2(5a+2abc)
3(xy-4z)+(-xy-2z)-6(pq-pr)-(3pq+pr)
-8x+(7x+7)4x-(7x+2d)-(6d-x)
6(9b+10)-8b3-(5y+8)-(4y+10)
6(ab+8a)-(6a-2b)18(abc+3a)-7(8a+6abc)
3(xy-9z)-(-xy-2z)-9(pq-pr)+(3pq-pr)
5a+(3a+8)2a-(4a+7p)+(8p+5a)
-3(8a-10)-8a8-(8n-6)+(3n-8)
8(-ab+3a)-(5a-7b)13(abc-2a)+3(2a-2abc)
2(xy+6z)-(-xy-7z)-7(pq-pr)+(4pq-pr)
7m-(7m-3)5m-(3m+4d)-(5d+m)
4(6t+9)-3t5+(4x-10)-(6x-3)
7(-ab-2a)-(9a-6b)20(abc+2a)+9(6a-9abc)
3(xy+6z)+(-xy+7z)-9(pq-pr)-(7pq-pr)
-2a+(3a+6)2a+(7a-7p)+(4p+a)
-4(7b-6)+4b3+(6a-1)+(8a+6)
2(ab+9a)-(4a+2b)13(abc-8a)-8(8a+8abc)
9(xy-9z)+(-xy+4z)-3(pq+pr)-(5pq+pr)
5x+(9x+3)x+(7x+9p)-(5p+x)
4(5m-3)-4m1+(5n-5)-(7n+9)
4(ab-7a)-(6a+6b)10(abc+6a)-6(3a+4abc)
8(xy-3z)+(-xy+2z)-8(pq+pr)-(9pq+pr)
-5b-(6b+5)b+(5b-5p)+(9p+6b)
-8(4n+7)+7n7+(3a-2)+(6a-1)
9(ab+9a)+(6a-3b)2(abc+2a)+8(4a-9abc)
2(xy-5z)-(-xy-6z)-3(pq-pr)-(5pq-pr)
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