三个自然数之和等于它们的积,例如:1+2+3=1×2×3;四个自然数之和等于它们的积,例如(1+1+2+4=1×1×2×4);五个自然数之和等于它们的积,例如(1+1+2+2+2=1×1×2×2×2 或1+1+1+3+3=1×1×1×3×3或1+1+1+2+5=
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![三个自然数之和等于它们的积,例如:1+2+3=1×2×3;四个自然数之和等于它们的积,例如(1+1+2+4=1×1×2×4);五个自然数之和等于它们的积,例如(1+1+2+2+2=1×1×2×2×2 或1+1+1+3+3=1×1×1×3×3或1+1+1+2+5=](/uploads/image/z/314775-63-5.jpg?t=%E4%B8%89%E4%B8%AA%E8%87%AA%E7%84%B6%E6%95%B0%E4%B9%8B%E5%92%8C%E7%AD%89%E4%BA%8E%E5%AE%83%E4%BB%AC%E7%9A%84%E7%A7%AF%2C%E4%BE%8B%E5%A6%82%EF%BC%9A1%2B2%2B3%3D1%C3%972%C3%973%EF%BC%9B%E5%9B%9B%E4%B8%AA%E8%87%AA%E7%84%B6%E6%95%B0%E4%B9%8B%E5%92%8C%E7%AD%89%E4%BA%8E%E5%AE%83%E4%BB%AC%E7%9A%84%E7%A7%AF%2C%E4%BE%8B%E5%A6%82%EF%BC%881%2B1%2B2%2B4%3D1%C3%971%C3%972%C3%974%EF%BC%89%EF%BC%9B%E4%BA%94%E4%B8%AA%E8%87%AA%E7%84%B6%E6%95%B0%E4%B9%8B%E5%92%8C%E7%AD%89%E4%BA%8E%E5%AE%83%E4%BB%AC%E7%9A%84%E7%A7%AF%2C%E4%BE%8B%E5%A6%82%EF%BC%881%2B1%2B2%2B2%2B2%3D1%C3%971%C3%972%C3%972%C3%972+%E6%88%961%2B1%2B1%2B3%2B3%3D1%C3%971%C3%971%C3%973%C3%973%E6%88%961%2B1%2B1%2B2%2B5%3D)
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