Răspuns :
n=10k+3
n=8p+3
n=6s+3
cel mai mic n-3=c.m.m.m.c[6;8;10]=120
cel mai mic n=120+3=123
...dreptunghic
n=8p+3
n=6s+3
cel mai mic n-3=c.m.m.m.c[6;8;10]=120
cel mai mic n=120+3=123
...dreptunghic
n = 10a + 3 n-3 = 10a
n = 6b + 3 n - 3 = 6b
n = 8c + 3 n - 3 = 8c
[10,6,8] = 120 n - 3 = 120 n = 123
n = 6b + 3 n - 3 = 6b
n = 8c + 3 n - 3 = 8c
[10,6,8] = 120 n - 3 = 120 n = 123