3.1
Jul 21, 2025 · seen Oct 19, 2026
國小四年級數學基本練習(4 grade math) is an education app by hui chi with 10,000+ downloads (about 16K estimated). +73 installs in the last 7 days. Released Jan 25, 2021. Install growth, rank history, SDKs and ad networks.
From the store listing: “Elementary school fourth grade mathematics, including addition, subtraction, multiplication and division, approximate numbers, angles, application problems, fractions, decimals, area, volume, time...”