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umka21 [38]
2 years ago
12

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

Mathematics
1 answer:
maksim [4K]2 years ago
3 0

Answer:

hello

Step-by-step explanation:

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