價格：免費
檔案大小：3 MB
版本需求：系統需求：iOS 13.4 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
This is a quick calculation including addition, subtraction, multiplication, which is conducive to mental development, can help parents develop children's thinking ability, reaction ability, and quick calculation. You can click the position of the answer, fill in the answer manually, and then click to compare after completing If the button is filled in incorrectly, it will add one to the error count. Otherwise, it will add one to the correct count. Try how many questions you can answer correctly. The countdown time is 120 seconds. It can also be teamwork for PK A software that only requires two people to cooperate and stand face to face. After clicking Start, an arithmetic question will be randomly displayed. One person on the opposite side needs to answer quickly within the specified time, you can directly say the answer, and the correct number of wins , Conducive to team cooperation and team cohesion construction
