Răspuns: 844 elevi are şcoala
Explicație pas cu pas:
825 < n - 4 = M c.m.m.m.c al numerelor 6, 7 si 8 < 875
c.m.m.m.c al numerelor 6, 7 si 8 = 8 × 3 × 7 = 56 × 3 = 168
875 : 168 = 5,208(3)
n - 4 = 5 × 168
n - 4 = 840
n = 840 + 4
825 < n = 844 < 875
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Verific:
844 : 6 = 140 rest 4
844 : 7 = 120 rest 4
844 : 8 = 105 rest 4