4 Plus 4

padasoft

关于此应用

这款应用帮助各个年龄段的学习者循序渐进地理解和运用数学知识，并充满信心。

它不含广告，也不会收集个人数据。

该应用围绕清晰的学习模块构建，例如“数字基础”、“进阶数字”和“基础算术”，以结构化且易于理解的方式练习关键的数学概念。

在其他版块中，您可以以轻松有趣的方式应用所学知识。

它将清晰的学习内容与激励、进步和乐趣相结合——是入门、巩固知识或日常练习的理想之选。

我们将不断更新应用内容，力求让数学学习变得尽可能简单、易懂且充满乐趣。

新变化

We are very happy to provide this major update with a lot improvements.
The exercises are now grouped by topics like "Numbers Basics" or "Numbers Advanced". For each group you can reach multiple progress level.
There are also three new types of exercises. "Number Line", "Compare Numbers" and computing the "Digit Sum".
Design improvements are also part of this update. So everything is ready for learning math with even more fun.