甲，乙，丙三只筐，筐内装球数不等，三只甲筐装的球与四只乙筐装的球相等，两只乙筐装的球刚好等于一个丙筐的球数，甲筐比乙筐少装60个，乙筐装球多少个？6r(O7V,N.g.b,B/~/h3z'M.s4z.E
算式：提示(e8Z7Z)g-Y(\6w0W6r(O7V,N.g.b,B/~/h3z'M.s4z.E
答：乙筐装球/v3a4_(g:X个。6r(O7V,N.g.b,B/~/h3z'M.s4z.E