A Nice Olympiads Exponential Trick | No Calculator Allowed 📵 #math #maths
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@denisrenaldo350620 күн бұрын
when you decompose 3124x3126 = (3000+124)(3000+126), it’s more or less what is done when you compute manually the multiplication which gives 18744+62480+312400+9372000=9765624 and 9765624x5 - 1 = 48828119. I notice that you detailed 3000x250 which is 1000x3000/4=750000 but 124x126=15624 is pulled out of your hat, isn’t it ?