25个人要过一条河,只有一条船,每次只能做5个人,至少要渡几次才能使大家全部过河?5W.j0K:e0H.u4m6b3B
算式:提示/M/f3g1]5W.j0K:e0H.u4m6b3B
答:至少要渡(e9G0Q)i次才能使大家全部过河。5W.j0K:e0H.u4m6b3B