12%라고하면0.12을빼면됩니다.100%를1로계산하면빠르죠..156000x0.12=18720156000-18720=137280이되네요.아주쉽게계산하면156000x(1-0.12)=137280이되죠..
[무물보AI] 답변 로딩중...