1x9=90+9=92x9=181+8=93x9=27로계속9가나오게됨.30을더하라하고그때횟수를빼라고하고몇이냐고물어보고횟수가9번이면39-9=30이라고말하면39-30=9로횟수가나오게됨
[무물보AI] 답변 로딩중...