数学泡沫是一个有趣的方式来练习数学
Math Bubbles is a funny way to practice Math. Ideal for children but also fun for adults!
How to play? See the question on the top and tap on the correct answer on the bubble. You need 6 correct answers to pass current level. And you have 15 seconds for one question.
Playing Math Bubbles game daily you will be surprised that you have been improved in Math ;)