Calcula Más Rápido que una Calculadora 🧮

Tricks to multiply faster than a calculator. I present a series of cases involving multiplication of numbers where the result can be calculated in just one second.    • Cálculo Mental 🧠   Contents 00:01 Introduction 2:03 Two-digit products with 11 4:06 Three-digit products with 11 6:53 Products of numbers ending in 5 8:43 Products of numbers that add up to the last 10 digits #mentalcalculus #math #mathwithjuan You'd help me a lot if you became a member of MATHEMATICS WITH JUAN    / @matematicaconjuan