下载 Collection practices - v1.0.3

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Collection practices - v1.0.3发布，Collection practices - v1.0.3是当今最好的免费和最佳手机应用程序之一。位于应用商店的教育类别中。

Collection practices - v1.0.3的最低操作系统为Android 5.0+及更高版本。因此，如果尚未升级手机，则必须更新。

在APKDroid上，您将免费下载Collection practices - v1.0.3 APK，最新版本为1.0.3，发布日期为2020-10-05，文件大小为16.7 MB。根据Google Play商店的统计数据，大约有1000次下载。您可以根据需要更新在Android上单独下载或安装的应用。还可以更新您的应用。您可以使用最新功能并提高安全性和应用程序的稳定性。现在就享受它

Add numbers from 1 digit to 5 digits with 9 different languages ​​and 3 difficulty levels. you may need a ledger when trading large numbers. do not worry! there's also a scratchboard inside!

Fast, practical and fun. Learning math has never been so easy!

Addition

Addition is when two mathematical expressions (known or unknown numbers and numbers) come together to form a result.
A, B, C => B + B = C, in addition, A and B are the numbers added, and C is called the sum.

Features of the Aggregation Process

1. Cover feature:
The sum of two natural numbers is again a natural number. For a N b N (a + b) N

2. Change feature:
In addition, if the places of the added numbers change, the sum does not change. for a N and b N; A + b = b + a is the variable property of addition.

3. Merging feature:
In finding the sum of the three natural numbers, the sum of the two desired terms can be summed up by the third. The merger property, a + (b + c) = (a + b) + c If there is a positive number k that satisfies the equation a = b + k; It is said that a is greater than b. Shown as a> b. If a and b are any two positive numbers, a = b, ab. A second decimal system operation can be described by successive addition. 5 + 5 + 5 for a N, b N and c N; (a + b) + c = a + (b + c).

4. Ineffective element feature:
The number zero is an ineffective element in a set of natural numbers according to addition.