写的 - Esa Helttula
1. Some of the other 40 iDevBooks math apps are Column Addition, Long Division, Long Multiplication, Lattice Multiplication, Visual Multiplication Table, Fraction Math, Partial Differences Subtraction, Partial Quotients Division, Partial Sums Addition, etc.
2. iDevBooks math apps have been reviewed and endorsed by Wired.com, IEAR.org, Edudemic.com, Teachers with Apps, and other respected sites and organizations.
3. "The Math apps by Esa Helttula allow students to practice and reinforce the specific computation strategies taught in class, with as much or as little scaffolding as necessary.
4. This math app can be used to teach and study the column subtraction method.
5. The user can solve random or custom subtraction problems with small and large numbers.
6. “With the ‘show current operation’ option turned on, they are constantly reminded of the next step, which can lead to efficient practice of the procedure.
7. The column subtraction method is also known as columnar subtraction, long subtraction or longhand subtraction.
8. Every time the user solves one addition problem, one more piece of a six-piece picture puzzle is revealed.
9. Then by turning off the current operation your child is able to practice remembering the steps on his/her own.
10. After solving the operation for each column the correct answer will fly to the right place.
11. You can also solve each step during the renaming by setting automatic renaming to off in the settings.
或按照以下指南在PC上使用 :
选择你的电脑版本:
软件安装要求:
可直接下载。下载如下：
现在，打开已安装的模拟器应用程序并查找其搜索栏。一旦找到它，请键入 Column Subtraction 在搜索栏并按搜索。点击 Column Subtraction应用程序图标。一个 窗口 Column Subtraction 在Play商店或应用程序商店将打开并且它将在您的模拟器应用程序中显示商店。现在，按下安装按钮并像在iPhone或Android设备上一样，您的应用程序将开始下载。现在我们都完成了。
你会看到一个名为“所有应用程序”的图标。
点击它，它会带你到一个包含所有已安装应用程序的页面。
你应该看到 图标。点击它并开始使用该应用程序。
下载 Column Subtraction 对于Mac OS (Apple)
| 下载 | 开发人员 | 评论 | 评分 |
|---|---|---|---|
| $3.99 对于Mac OS | Esa Helttula | 6 | 5.00 |
在 Windows 11 上设置电脑和下载 Column Subtraction 应用的步骤:
PcMac China 
