We use math every day., People use addition and subtraction when they buy and sell things., Your parents use math when they buy food and clothes for you, so they know how much money they need., You use math to keep score when you play a game with your friends.

さんの投稿です

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?