NdoubleTH NdoubleTH

13-06-2021
Mathematics

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tìm tất cả các hàm số f: Z-->Z thỏa:
f( f(x)+f(y) ) = x+y+1, với mọi x,y thuộc Z

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kaurdamanjot33 kaurdamanjot33

13-06-2021

Answer:

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