Square of 11 to 199 - Amazing Shortcut Trick - Very easy to find Square | Easy Maths Calculations Nand Kishore Classes 13:56 4 years ago 74 620 Далее Скачать
Math Magic - Amazing Addition Trick | Make your friends Surprised | Learn Math with Fun | Must Watch Nand Kishore Classes 4:46 3 years ago 47 077 Далее Скачать