411:n=c₁ rest 11
333:n=c₂ rest 13
225:n=c₃ rest 15
411=nc₁+11
333=nc₂+13
225=nc₃+15
400=nc₁
320=nc₂
210=nc₃
n=400:c₁
n=320:c₂
n=210:c₃
c.m.m.d.c (400,320,210)=2×5
400=2⁴×5²
320=2⁴×5
210=2×5×3×7
n=10
Un alt exercitiu gasesti aici: https://brainly.ro/tema/8870701
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