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1. What is Tux Math?
 
It is an  arcade-style video game for learning . The main goal of this application is to make learning .
  
2. What is the use of Ranger?
Answer variants:
Scout
Ranger
Ace
Space Cadet
a. Simple addition -
 
b. Addition and Subtraction up to ten -
 
c. Addition, Subtraction, Multiplication, and Division up to ten -
 
d. All four operations with operands up to 20 -