@RadCentrism @ChristosArgyrop This is just schoolbook multiplication but at least the geometric way doesn't require memorizing tables, you just count.

@RadCentrism @ChristosArgyrop 这只是教科书乘法,但至少几何方式不需要记住表格,您只需数数即可。

发表时间:1年前 作者:aeon @AeonCoin