Posted on Leave a comment

Triangular number (Math Dictionary)

Triangular number: a number which can be represented as an equilateral triangle of dots, and is the sum of all the consecutive numbers up to its largest prime factor – it can also be calculated as n(n + 1)2, e.g. 15 = 1 + 2 + 3 + 4 + 5 = 5(5 + 1)2

_ ស្វែងរកឬបកប្រែពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖
ឯកសារការងារនិងរៀនគ្រប់ប្រភេទ៖​
---------------------------------------------

Leave a Reply