Aprendendo a fazer contas rápidas com esse objeto

Today I want to learn how to CALCULATE VERY FAST, without using a calculator! I mean, without using an electronic calculator, lol. I still want to learn how to do math quickly in my head, but that will be for another day... One thing at a time, right? So grab the popcorn and get ready, because in this video I will learn a new skill: MAKING QUICK ADDINGS WITH A SOROBAN (Japanese abacus)! I hope you like it and subscribe to FELIJÃO to follow the next videos! LET’S EXPLORE!!! =================================================== ===== THE DAY I LEARNED MORSE CODE:    • Como aprendi CÓDIGO MORSE EM 1 DIA!