1个小朋友1分钟可以写6 个字，3个小朋友3分钟一共可以写多少个字？5Y0A0a7z-a6b6S/\
算式：提示/b)Y7U1`'j6o'S5Y0A0a7z-a6b6S/\
答；一共可以写(K+V.t+F0a3i.j/~0L个字。5Y0A0a7z-a6b6S/\