계산: 2 / 1 + 4 / 1 + 8 / 1 + 16 / 1 + 32 / 1 =?

계산: 2 / 1 + 4 / 1 + 8 / 1 + 16 / 1 + 32 / 1 =?

1 / 2 + 1 / 4 + 1 / 8 + 1 / 16 + 1 / 32
= 1 / 2 + 1 / 4 + 1 / 8 + 1 / 16 + (1 / 32 + 1 / 32) - 1 / 32
= 1 / 2 + 1 / 4 + 1 / 8 + (1 / 16 + 1 / 16) - 1 / 32
= 1 / 2 + 1 / 4 + (1 / 8 + 1 / 8) - 1 / 32
= 1 / 2 + (1 / 4 + 1 / 4) - 1 / 32
= (1 / 2 + 1 / 2) - 1 / 32
= 1 - 1 / 32
= 31 / 32