Scientific American presents Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. Do you think math is fun? I absolutely think that it should be.
Cuireadh roinnt torthaí i bhfolach toisc go bhféadfadh siad a bheith dorochtana duit
Taispeáin torthaí dorochtana
Aiseolas