價格：免費
更新日期：2018-12-30
檔案大小：18M
目前版本：1.0.10
版本需求：Android 5.0 以上版本
官方網站：https://www.tweaknow.com/AddAndSubtract.php
Email：support@tweaknow.com
聯絡地址：JL. Dangganggula No. 6, Turangga, Lengkong, Bandung, Indonesia
Add and Subtract is a free app designed to help grade 1 and 2 kids to master addition and subtraction. With this app, they can learn from a simple to long addition/subtraction while having fun.
Subjects included in the program:
• Addition under 10
• Subtraction under 10
• Make it 10
• Addition under 20
• Subtraction under 20
• Make it 20
• Addition under 100
• More addition under 100
• Subtraction under 100
• More subtraction under 100
• Addition under 1000
• Subtraction under 1000
