七年级数学上册合并同类项专项训练14.docx
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七年级数学上册合并同类项专项训练14.docx
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七年级数学上册合并同类项专项训练14
-5y-(8y+6)2y-(6y-9c)+(9c+9y)
-3(6b+1)+7b4-(8b+2)-(7b-2)
2(ab+6a)+(8a-5b)9(abc+9a)-8(5a-3abc)
4(xy-2z)+(-xy+7z)-2(pq+pr)+(7pq-pr)
-5b-(4b-4)b-(3b-8d)+(7d+b)
3(9s-8)+3s3+(3a-5)-(3a+1)
7(ab-3a)+(7a+3b)16(abc-7a)-3(7a+9abc)
7(xy+7z)+(-xy-4z)-7(pq-pr)-(8pq-pr)
6b-(4b+1)b+(5b-2d)+(2d+b)
3(8b-10)-6b3+(8a-1)-(4a-1)
8(ab-3a)+(2a+2b)8(abc-9a)+8(3a+9abc)
9(xy-3z)-(-xy-6z)-4(pq+pr)-(9pq+pr)
5y+(5y+6)y+(7y-5z)-(3z+y)
2(5n-10)+8n9-(8m+6)-(8m+1)
2(-ab+5a)+(7a-4b)11(abc+8a)+7(5a+3abc)
6(xy-8z)+(-xy-9z)-4(pq+pr)-(6pq-pr)
-7a-(4a-9)9a-(3a+9s)-(7s+8a)
-6(8a+8)+4a2+(8x+1)+(7x-5)
4(-ab-9a)+(5a-8b)15(abc+4a)+8(9a-7abc)
4(xy-4z)-(-xy+4z)-6(pq+pr)-(9pq+pr)
3x+(3x+5)7x-(3x-7s)+(5s-3x)
9(6a-7)+9a1-(7y+7)-(3y-7)
9(-ab-8a)+(2a-5b)16(abc-8a)-8(8a-8abc)
7(xy-9z)-(-xy+6z)-9(pq+pr)-(5pq+pr)
6a+(7a+6)6a+(5a+3z)-(7z-8a)
-6(9n+8)-2n10+(3a-7)-(7a-6)
8(ab+9a)+(6a+9b)7(abc-8a)-8(6a+9abc)
8(xy+3z)+(-xy-8z)-3(pq+pr)+(4pq+pr)
-2b+(9b+7)4b+(7b+9c)+(3c+8b)
2(3s+8)-8s10-(2n-6)-(5n-2)
4(-ab+6a)-(6a+2b)15(abc-8a)+5(2a+6abc)
7(xy+7z)-(-xy+5z)-2(pq-pr)-(4pq+pr)
-9a+(8a-9)5a+(8a-2z)-(6z-a)
-5(5a+1)-3a8+(6x-4)-(4x-9)
3(-ab+9a)+(3a-5b)4(abc-3a)-7(2a+9abc)
8(xy+4z)+(-xy-3z)-7(pq-pr)-(3pq+pr)
-5b+(3b-4)b-(7b-6d)+(2d-b)
-3(2t+8)-8t7+(7a-1)+(3a+3)
3(ab+6a)-(3a-5b)14(abc+8a)+8(2a+6abc)
2(xy-3z)-(-xy+7z)-5(pq-pr)+(6pq+pr)
-8y+(3y+9)6y-(4y+4s)+(2s+y)
4(7a-2)+8a5+(6y-7)-(6y-8)
5(ab-6a)-(5a-4b)18(abc-7a)+6(2a-5abc)
9(xy-4z)-(-xy-6z)-3(pq-pr)+(5pq-pr)
9m-(9m-4)8m-(6m+6q)-(8q+5m)
-3(4b+9)-4b1-(7x+8)-(2x-10)
3(ab+7a)-(8a-6b)5(abc-9a)+4(9a+9abc)
2(xy-6z)-(-xy+9z)-9(pq+pr)-(6pq-pr)
-3b+(3b+3)3b-(9b-4d)+(9d-8b)
2(5t+4)-3t8+(5m+3)+(4m-2)
6(ab-4a)-(7a-9b)18(abc+5a)+2(9a+8abc)
4(xy-2z)+(-xy-3z)-9(pq-pr)+(5pq+pr)
3n-(3n-9)6n-(8n-7p)+(9p+n)
2(7b+4)+5b8-(7m-3)+(9m-5)
2(ab-6a)+(5a-6b)6(abc-2a)-5(2a+4abc)
8(xy+9z)-(-xy+4z)-5(pq-pr)-(9pq-pr)
9b-(9b-6)b-(6b+5d)+(4d-b)
2(7b-7)-2b1+(5m-9)+(2m-4)
4(ab-5a)+(5a-3b)8(abc+8a)+5(5a-2abc)
6(xy+8z)+(-xy-4z)-8(pq-pr)-(2pq+pr)
2a-(3a+6)a+(4a-5p)-(4p-a)
9(8b+8)+8b1-(8a+7)-(5a-2)
5(ab+5a)+(7a+9b)16(abc+4a)+4(2a-9abc)
7(xy+8z)+(-xy+4z)-3(pq+pr)+(8pq-pr)
7n+(4n+9)n+(9n+9z)-(3z+4n)
-4(2b-1)-9b8-(7n-5)+(5n-4)
7(ab-4a)+(2a+8b)4(abc+2a)-3(3a-7abc)
4(xy-3z)+(-xy-7z)-8(pq-pr)-(7pq-pr)
8x+(4x+8)x+(5x+9s)-(4s+x)
-9(8n-7)-6n1-(8b+9)+(2b-2)
3(ab-7a)-(8a-4b)7(abc-4a)+3(3a-5abc)
9(xy+9z)-(-xy-8z)-4(pq+pr)-(7pq-pr)
-7b-(2b+9)b-(7b-6q)-(8q-b)
6(4n+9)-2n8-(4n-5)-(9n+3)
4(ab+3a)-(9a+6b)10(abc+3a)-8(8a-5abc)
6(xy-8z)-(-xy-6z)-2(pq+pr)-(2pq+pr)
6n-(2n+6)5n-(7n+5s)-(7s-4n)
-6(5s-1)+5s8-(7n-2)+(6n-2)
2(ab+5a)+(7a+2b)2(abc+4a)-3(2a+2abc)
5(xy-6z)+(-xy+6z)-8(pq+pr)+(3pq-pr)
-9x-(9x+4)9x+(2x-8q)+(7q-x)
-3(3n-9)-5n5+(7b-6)+(9b-3)
7(ab+5a)-(3a+5b)10(abc+8a)-2(3a-4abc)
2(xy+7z)+(-xy-5z)-4(pq-pr)-(5pq+pr)
-4b+(5b+9)b+(7b-7d)+(6d+2b)
-8(2a-7)+6a9+(8m-6)+(4m+6)
6(ab+2a)+(9a-9b)7(abc+8a)-6(7a+3abc)
7(xy-4z)-(-xy+2z)-3(pq+pr)-(4pq+pr)
2x+(9x-8)x+(8x-3z)+(8z-x)
8(3a+4)+9a6-(6a-5)+(8a-1)
5(-ab-4a)-(4a+9b)15(abc+8a)+3(6a-4abc)
6(xy+2z)+(-xy-8z)-3(pq+pr)-(3pq+pr)
2n+(7n+5)2n-(5n+2z)+(5z-7n)
3(5m-9)+7m1+(8b-3)-(9b+9)
2(-ab+8a)+(6a+5b)14(abc-9a)+4(8a-7abc)
8(xy+2z)-(-xy+7z)-8(pq-pr)+(8pq-pr)
3n-(8n-9)n+(9n-8d)-(8d-9n)
-9(8n+10)+6n9-(3m-7)+(5m-1)
2(ab-5a)-(6a-6b)8(abc+8a)-3(6a-8abc)
8(xy+5z)+(-xy-2z)-7(pq-pr)+(7pq-pr)
-6m+(7m+4)9m-(5m-3p)-(6p+9m)
4(8b+5)+8b10-(2m-10)+(6m+3)
4(-ab-9a)-(6a-2b)7(abc+5a)+2(3a-7abc)
3(xy-6z)-(-xy+2z)-8(pq+pr)-(3pq-pr)
8m-(5m-4)8m+(2m+3d)-(5d+m)
-8(7n+7)+9n1+(4a+2)+(9a-3)
5(ab+8a)+(7a+6b)17(abc+6a)-8(7a+2abc)
8(xy-8z)-(-xy-7z)-8(pq-pr)+(3pq+pr)
-5b-(6b-9)6b-(5b+7q)-(5q+9b)
6(2m-7)-8m3+(5b-8)+(7b-3)
9(ab-3a)+(4a-4b)18(abc-4a)-9(3a-7abc)
4(xy-3z)-(-xy-9z)-3(pq+pr)-(9pq-pr)
-2y-(7y+7)7y-(5y-4s)+(8s+3y)
8(8n+3)+9n2-(6m-7)-(9m+1)
2(ab+4a)-(8a+2b)15(abc-9a)-3(8a-3abc)
9(xy-8z)+(-xy+8z)-9(pq-pr)+(7pq+pr)
-9x-(6x-7)x+(7x-3d)-(7d-x)
-4(6a-10)-7a9-(7b+2)+(7b+6)
7(-ab+7a)+(5a-2b)19(abc+7a)+5(2a+3abc)
9(xy+2z)+(-xy-6z)-4(pq-pr)+(9pq+pr)
5b+(2b-6)b-(3b+3q)+(6q-8b)
-2(2a+2)+3a7-(8x+3)-(3x-7)
5(ab+7a)+(4a+6b)11(abc+5a)+5(5a+5abc)
7(xy+4z)+(-xy-9z)-4(pq-pr)+(5pq-pr)
8n-(2n-1)n+(4n-3c)+(3c+n)
9(6t+4)-5t7-(6b+3)-(2b-6)
4(ab-2a)-(9a+7b)18(abc-7a)+3(7a+9abc)
4(xy+5z)+(-xy+2z)-7(pq+pr)+(8pq+pr)
-7m+(2m-6)4m-(2m-8s)-(9s+9m)
-7(7t+2)+4t10-(6x+5)-(9x+4)
5(ab-5a)-(2a+8b)20(abc+3a)+3(6a-2abc)
8(xy+4z)+(-xy-6z)-8(pq-pr)-(9pq+pr)
-4b-(9b+3)6b-(2b+2q)-(3q-b)
3(3m+5)-9m2-(5n-8)-(7n+6)
5(ab-5a)+(5a+3b)6(abc-9a)-9(7a-4abc)
6(xy+6z)-(-xy+4z)-6(pq-pr)+(9pq+pr)
6x+(4x-5)x-(5x+4c)+(5c+5x)
3(6a-7)+3a4+(3n-7)+(9n+4)
4(-ab+7a)+(7a+8b)11(abc-5a)-9(3a-8abc)
2(xy-8z)-(-xy-2z)-5(pq-pr)-(7pq+pr)
9a+(6a+5)a+(4a+8q)-(7q-2a)
2(9s+4)-8s9+(4x+5)-(9x+8)
8(-ab-2a)-(7a-8b)6(abc-2a)-3(7a+4abc)
9(xy-8z)-(-xy-8z)-2(pq-pr)-(7pq-pr)
-5m-(5m-7)6m-(5m+6s)+(6s-8m)
-5(6b-5)-4b10-(5m+3)+(7m+9)
4(ab-9a)+(5a+6b)20(abc-2a)+9(4a+2abc)
8(xy-4z)-(-xy-5z)-7(pq+pr)-(7pq+pr)
2n+(8n-2)9n-(3n-4d)-(3d-n)
-2(4s-10)+8s1-(9n+5)+(6n+2)
6(ab-9a)+(4a+7b)7(abc-9a)-3(3a+7abc)
2(xy-8z)+(-xy-7z)-2(pq-pr)-(9pq-pr)
3n-(8n-9)8n-(9n+2c)-(5c+n)
8(2a-8)-2a1+(7x-3)+(6x+9)
9(-ab+7a)+(5a-4b)11(abc-9a)+4(8a-6abc)
8(xy+5z)+(-xy-8z)-8(pq-pr)+(8pq-pr)
7y-(6y-4)7y+(3y+6z)-(4z+8y)
-8(7t-3)+6t6-(9x-10)+(5x-3)
2(ab-6a)+(4a+8b)12(abc+6a)+7(6a+5abc)
6(xy+2z)+(-xy-2z)-6(pq+pr)+(9pq+pr)
3b-(7b+8)8b-(4b+3c)-(2c+9b)
-8(3n-3)+7n1+(8n+3)+(3n+1)
3(ab+3a)-(4a-8b)19(abc+2a)+9(3a-7abc)
5(xy-4z)+(-xy-4z)-4(pq+pr)+(8pq-pr)
-9x-(2x-2)x+(4x-7q)+(2q-x)
-5(4m+3)-5m8+(6m+6)+(3m+5)
7(-ab-2a)+(8a+4b)6(abc+5a)-5(4a+9abc)
5(xy+9z)-(-xy+3z)-8(pq+pr)-(2pq-pr)
7n+(5n+8)7n-(7n-6q)+(2q+n)
7(2t-9)+7t1+(8x+8)-(8x-5)
2(-ab+8a)-(4a+5b)10(abc-3a)-4(2a-6abc)
9(xy+7z)+(-xy+5z)-9(pq+pr)-(7pq+pr)
-9m-(9m+6)m+(3m-2q)+(6q+m)
5(9s-4)+7s3-(2y-5)-(2y-3)
5(ab+6a)-(6a-4b)15(abc-3a)+4(9a-7abc)
2(xy-3z)-(-xy+8z)-4(pq-pr)-(9pq-pr)
-8y-(4y-6)y-(6y-7s)+(5s+8y)
9(4n-9)+2n7+(9y-8)+(9y-2)
6(-ab-8a)+(2a-6b)19(abc+2a)-6(8a+5abc)
4(xy+7z)-(-xy-3z)-5(pq-pr)+(7pq-pr)
6x-(2x-8)x-(2x-5c)+(6c+4x)
5(6n+6)-4n3-(5a-8)-(7a+10)
7(ab-5a)-(2a-2b)9(abc+8a)-6(5a-4abc)
3(xy-2z)-(-xy-2z)-4(pq+pr)+(7pq-pr)
-5y+(6y+3)y-(9y+6z)-(4z+4y)
5(2n+9)-7n10-(3b-1)+(9b+4)
5(ab+4a)+(8a-8b)20(abc+6a)+4(4a-8abc)
6(xy+7z)+(-xy+7z)-5(pq-pr)+(5pq+pr)
6a-(4a-6)a+(3a+9q)-(3q-7a)
-3(6b-7)-4b1+(9a+3)-(7a-2)
9(ab+2a)-(8a-4b)5(abc-3a)+7(6a+9abc)
8(xy+9z)-(-xy-7z)-5(pq-pr)-(9pq-pr)
-4m+(2m-9)6m+(5m+2z)-(2z+m)
3(7a-4)+6a6+(2x+10)+(9x-8)
8(-ab-8a)+(4a+5b)10(abc+5a)+4(6a+9abc)
6(xy-9z)-(-xy+4z)-8(pq+pr)-(4pq-pr)
-8b+(9b+2)b-(3b+6s)+(8s+5b)
9(8m-7)+8m6+(6y-7)+(6y-6)
5(ab-7a)-(2a+5b)17(abc+3a)+4(7a+2abc)
7(xy-9z)+(-xy-7z)-7(pq+pr)-(7pq-pr)
-2y-(8y-5)3y-(8y-4q)-(4q-y)
-3(8b+7)+9b6+(4m-1)-(7m-2)
5(ab+7a)-(2a-8b)19(abc-2a)-8(8a+7abc)
4(xy-2z)+(-xy-3z)-6(pq+pr)-(9pq+pr)
-6y+(4y+5)3y-(6y-9c)-(7c-y)
-6(2s-10)+9s10-(8m+8)-(3m+7)
7(-ab-9a)-(2a-7b)3(abc+7a)-4(8a+4abc)
7(xy-7z)+(-xy-8z)-3(pq+pr)-(9pq+pr)
8n-(7n+1)4n-(2n+6z)+(3z-n)
6(8s-10)-7s8-(8n-8)-(3n+3)
8(-ab-3a)-(3a-5b)19(abc+3a)-5(7a+2abc)
2(xy+5z)+(-xy-6z)-7(pq+pr)+(8pq+pr)
6a-(2a+5)9a+(4a+3s)-(2s+5a)
4(7n+7)+9n1+(9y+3)+(9y+6)
9(ab-9a)-(2a+3b)19(abc-2a)+9(6a-4abc)
8(xy-6z)-(-xy+6z)-4(pq+pr)+(4pq+pr)
-5b-(7b+3)b-(8b-8z)+(2z-b)
8(4n-1)+6n1-(9m+2)+(8m-1)
6(-ab+8a)-(5a-6b)7(abc+5a)+5(6a-3abc)
3(xy-2z)+(-xy+3z)-4(pq+pr)+(5pq-pr)
-5m+(8m+2)m+(7m+3s)+(9s+8m)
4(4t-3)-4t1+(8a+1)-(3a-1)
3(-ab-6a)+(7a+8b)13(abc+7a)+5(4a+2abc)
9(xy-4z)+(-xy+3z)-2(pq-pr)-(2pq-pr)
9m-(2m-5)m-(4m+7p)+(9p-4m)
8(3t-8)+2t9-(4x+4)-(9x+10)
5(-ab-8a)+(9a+6b)8(abc-3a)-2(8a-5abc)
8(xy-3z)-(-xy+2z)-3(pq-pr)-(8pq+pr)
5b+(7b+6)8b-(9b+2c)+(3c+7b)
7(9n-1)-5n9-(2n-5)-(7n+9)
9(-ab+5a)+(4a-7b)11(abc-3a)+6(6a+3abc)
4(xy+9z)-(-xy-3z)-7(pq+pr)-(8pq-pr)
6b+(7b+5)b+(7b+2s)+(9s+8b)
-5(7n+2)-3n2-(5m+6)-(2m-6)
8(-ab-3a)-(8a-2b)9(abc+4a)+6(3a+4abc)
8(xy+8z)+(-xy+6z)-3(pq+pr)+(5pq+pr)
7y+(9y+7)y-(2y+8q)-(6q-7y)
7(6b+1)+4b1-(7b-10)+(4b-8)
6(ab-7a)-(9a+4b)8(abc+6a)-4(7a+9abc)
2(xy+6z)+(-xy-9z)-9(pq+pr)-(4pq+pr)
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