1+1=? - Genius Maximum Challenge

Hi guys!!!
How fast you can calculate? How fast is your reaction time?
Wanna know Then try this amazing math speed test app. this app is dedicated to you!
Calculate fast and give answer each quiz by pressing the answer as quick as possible. Give answer as far as you can to challenge your friends.
Sharpen your skills in math!
Features:
-Randomly Generated quiz
-Learning with fun
-Excellent brain challenge
-Smooth and user friendly
-Free for everyone
Keep practicing math and make your brain sharp! NOW!