價格：免費
檔案大小：86.9 MB
版本需求：系統需求：iOS 10.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Want to learn and/or practice subtraction without the fluff?
Want a simple and easy way to learn that costs nothing?
Subtraction Flashcards is just that, a simple app that allows you to learn and practice subtraction with single, double, or triple digit numbers without the complications of lesson plans or paying for in-app purchases. Learn the joy and simplicity of mathematics. Tap on a card to flip it, change between single digit mode, double digit mode, or triple digit mode.
支援平台：iPhone, iPad