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Number tap to zero app for iPhone and iPad


4.4 ( 1504 ratings )
Games
Developer: Crystal Cao
Free
Current version: 1.2, last update: 7 years ago
First release : 29 Mar 2017
App size: 17.11 Mb

Do you think subtraction or addition is easier?
You will use subtraction and computational thinking to reduce the numbers to zero.
Easy is not it? But do not be subjective because it will be difficult if you subtract a few wrong steps. Its harder when the numbers will grow and your speed must be increased.