甲、乙两数的平均数是52，甲数比乙数大5，乙数是多少？,U3H+\1q3~-b1L4R8L8r1S8_1m
算式：提示)c+e/j*A-V9W,U3H+\1q3~-b1L4R8L8r1S8_1m
答：乙数是*Y9C8^2Z;H:_;l-^,h7o,f-L。,U3H+\1q3~-b1L4R8L8r1S8_1m