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An educational math game for Japanese students. The fourth in a series of five games released in 1986 by magazine giant Tokyo Shoseki.
Game modes: Single player
Keisan Game: Sansuu 4-nen released on October 30, 1986 and published by Tokyo Shoseki Co., Ltd..
Keisan Game: Sansuu 4-nen is available on Family Computer. It supports single player.