露營時,掌廚人耍量出四十克的醋。但是,他手邊僅有五十克單位的量斗,及三十克量斗各一個。請問,他該如何做,才能量出四十克的醋? 8 j1 T9 b" T! o; _- m 3 m# K& _7 p( Z$ ]7 n公仔箱論壇answer will be give by tonight5.39.217.779 o" T5 u/ c1 j) ]- f
1: 注滿50,倒進30,剩20公仔箱論壇! O, I) x2 W. Y' V
2: 重覆一多一次作者: Geai 時間: 2007-11-5 10:09 AM
fill 30 put in 50公仔箱論壇, m8 _* y# U4 ]9 M% f2 c
fill 30 put in 50 now 10 in 30tvb now,tvbnow,bttvb/ v( Z) Z/ v' R, K5 w- c& Y% ~
empty 50 put the 10 in / s" ?7 p6 j8 w
fill 30 put in 50=40作者: pashushita 時間: 2010-5-4 04:29 PM