價格：免費
更新日期：2018-06-14
檔案大小：14M
目前版本：1.0
版本需求：Android 4.1 以上版本
官方網站：mailto:butterfly26118@gmail.com
Turn all the numbers into zeros using addition and subtraction operations. You can play with 4,16,32,64 and 100 numbers. You start by selecting two numbers and add or subtract the selected numbers with any number between 1-9 and try to turn them to zeros. Score calculated based on the time taken and the number of operations used.
