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? + O. O1 ^3 s% J $ Y0 D! p3 ` z. }' u3 b% Janswer will be give by tonightwww2.tvboxnow.com: @+ q& B- e9 E
fill 30 put in 50 ; m5 _' `0 R4 Dfill 30 put in 50 now 10 in 30www2.tvboxnow.com" A; x. l) V7 }4 B; v* P0 z% ~
empty 50 put the 10 in 公仔箱論壇& a0 c) n1 ^2 V
fill 30 put in 50=40