0.1 + 0.3 + 0.5 + 0.7 + 0.9 + 0.11 + 0.13 +...+ 0.99 간단 한 계산

0.1 + 0.3 + 0.5 + 0.7 + 0.9 + 0.11 + 0.13 +...+ 0.99 간단 한 계산

오리지널 = 0.1 + 0.11.1.3 +... + 0.97 + 0.99
= (0.1 + 0.9) + (0.3 + 0.7) + 0.5 + (0.1 + 0.99 + 0.13 + 0.97 + 0.95 + 0.95 + 0.17 + 0.93 + 0.19 + 0.91) + (0.31 + 0.79 +... + 0.39 + 0.71) + (0.51 + 0.57 + 0.57 + 0.59)
= 2.5 + 5.5 + 5.5 + 2.75
= 16.25