純數學 - 練習提高你的數學技能 (加法，減法，乘法，除法)

介面：有如iOS 7的內建遊戲，畫面相當簡潔，沒有過多花俏點綴。操作上也相當容易，拖滑即可答題。 內容：相當簡單易懂，即算數遊戲（加減乘除），適宜孩子打發時間，但對於成人來說可能較為乏味。再者本遊戲提供內購服務，除了加法運算題可以玩到第十關以外，其餘的三種運算皆需經由付費方可開通。 總結：本遊戲值得小啜，但在購買前消費者需三思。

By far the cheapest and best value for money simple maths practice app.

Simple easy to navigate app for keeping your arithmetic up to speed.

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Totally worthy

Thks is so good i male a Habit of playing ir on a Daily basis

I’ve begun building a habit of utilising the app often and I’m enjoying it

Been using the app for a couple of weeks and it’s perfect for arithmetic training. Well worth the asking price.

Keeps you mentally tuned

Gamifying maths, keeping it simple, no over complicated interface, just a quick way to practice your plus, subtraction, multiplication and division. Improve that mental arithmetics, exercise that brain.