| 摘要 |
PROBLEM TO BE SOLVED: To make it possible even for game beginners to increase the payback rate as near as possible to the command level while they are enjoying a special play game. SOLUTION: The control measure 70 for renditions concerning rendering play games is equipped with the measure 72 to memorize the command of payback rates which memorize the command of the payback rate of medals during playing a special play game, the payback-rate calculation measure 73 which calculates the payback rates based on the information concerning the number of medals charged and paid back, the payback-rate judgment measure 74 which judges whether or not the payback rates calculated by the payback- rate calculation measure 73 judges whether or not meet the command memorized in the payback-rate memory measure 72, and the juvenile part passed the lot drawing using the same measure 75 to report that the juvenile part passes a part lot-drawing in the part lot-drawing measure 61 while he or she is playing a juvenile part by a part lot-drawing in the part lot-drawing measure 61.
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