價格：免費
檔案大小：3.9 MB
版本需求：系統需求：iOS 10.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
This program has different levels of different problems, and different subjects and different equation sequences, according to the Numbers and symbols given so that the equation can be established to score.
For children of different ages there are different intellectual growth, with the right Numbers and symbols in the entertainment to improve.
