5 ms·
Knowing the squares up to 12 isn’t that difficult to memorize and comes in handy… I imagine those who have them memorized did so in K-12 and just never forgot i
by zdyn5 4y ago
Knowing the squares up to 12 isn’t that difficult to memorize and comes in handy… I imagine those who have them memorized did so in K-12 and just never forgot it.