なつかし算数クイズ Description
Solve nostalgic math problems and train your brain!
You don't need a pen or paper because the problems are all solved by mental arithmetic! ! ! !
Was mathematics such as figures, proportions, ratios so difficult? . I think!
Let's have fun while enjoying nostalgia!
You don't need a pen or paper because the problems are all solved by mental arithmetic! ! ! !
Was mathematics such as figures, proportions, ratios so difficult? . I think!
Let's have fun while enjoying nostalgia!
Open up