Seudónimo
Seudónimo
18-02-2016
Mathematics
contestada
Is 18 abundant, deficient, or perfect
Respuesta :
MichaelLiu
MichaelLiu
20-02-2016
Find the factors of 18.
Sum them up.
1 + 2 + 3 + 6 + 9 = 21
21 > 18,
thus 21 is abundant.
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