prime numbers, numbers that can only be divided by itself or 1, rounding, 150 to the nearest 10, times table, It is a faster way to add a number multiple times, division, when you share something in between a group of people, Roman numerals, Is a type of number Romans use in their days

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?