Happy Learning~Defense Math description

Practice your math, there are 4 kinds of gameplay to answer the title to defeat the monsters coming, the monsters will be more and more, hurry up and answer the questions to defeat the object.

練砒你的數學，有4種玩法答對題目可以打敗前來的怪物，怪物會愈來愈多，趕堫答題來打敗物吧