1단계:(1)×100=100%
2단계:(1×0.9)×100=90%
3단계:(1×0.9×0.8)×100=72%
4단계:(1×0.9×0.8×0.7)×100=50.4%
5단계:(1×0.9×0.8×0.7×0.6)×100=30.24%
6단계:(1×0.9×0.8×0.7×0.6×0.5)×100=15.12%
7단계:(6단계)÷2=7.56%
8단계:(7단계)÷2=3.78%
9단계:(8단계)÷2=1.89%
10단계:(9단계)÷2=0.945%
11단계:(10단계)÷2=0.4725%
12단계:(11단계)÷2=0.23625%
여기부턴 보상 동일
13단계:(12단계)÷2=0.118125%
14단계:(13단계)÷2=0.0590625%
15단계:(14단계)÷2=0.02953125%
16단계:(15단계)÷2=0.014765625%
17단계:(16단계)÷2=0.0073828125%
18단계:(17단계)÷2=0.0036914062%
19단계:(18단계)÷2=0.0018457031%
20단계:(19단계)÷2=0.0009228516%
25단계:0.0000288391%
26단계:0.0000114196%

복권 당첨확률
1등:0.00001228%
2등:0.0000736643%
3등:0.0027992386%
4등:0.136425648%
5등:2.22%

복권이 더 창렬임 ㅋ