鯖威張る・サーバー (Saba ibaru: Server)

鯖威張る・サーバー (Saba ibaru - Server) is a Japanese card game using simple mathematics. The title is a pun, Saba Iburu means mackerel, and 'server' in Japanese sounds like Saba.

There is a problem in the computer, not aliens, not a beautiful woman, no, it's a mackerel. A mackerel has got into the system and it must be fixed.

Players use numbers and arithmetic functions, to try to make the target sum in the shortest possible function.

For example, to reach a target of 38:
8*5-2 beats 30+4+4 beats 4*8+5 beats 40-4.
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