hishenai
thb920773
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hishenaiLv1
26 Mar 2023
Call (a+b,ab) = d, we have ab d and a+ b ⋮ d If a ⋮ d then from a +b ⋮ d deduc...
hishenaiLv1
26 Mar 2023
I think I'm still not ready to raise children or be their mother. Because rais...
hishenaiLv1
5 Mar 2023
Answer: u is a common divisor of a and b <=> u belongs to U(a) and u bel...