FORMULA GAME! ZEROSURU Ver.SL

ZEROSURU～SUPER LIGHT～[Example Answer] 9 - ( 8 / 4 + 7 ) → ZEROSURU！ 4 / 2 + 1 - 3 → ZEROSURU！ ( 1 + 5 ) / 2 - 3 → ZEROSURU！Only easy operation!Troublesome registration and difficult operation are also unnecessary. -Developer-LASTSHOOTING