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- Hunan education edition seventh grade mathematics
Hunan education edition seventh grade mathematics
The fifth power of (x-2) = the fifth power of ax+the fifth power of bx+the third power of CX+the square of dx +ex+5,
Let x=- 1
-a+b-c+d-e+5=(- 1-2) to the fifth power =-243.
-a+b-c+d-e=-243-5=-248
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