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Show HN: I built a free timestables game for kids
针对旧iPad设备打造的免费乘法口诀游戏，让孩子轻松练习又省钱。
Hello Hacker News, My son and his classmates are at the stage where they're tackling their times tables. I noticed that a lot of families still have o…
针对旧iPad设备打造的免费乘法口诀游戏，让孩子轻松练习又省钱。
Hello Hacker News, My son and his classmates are at the stage where they're tackling their times tables. I noticed that a lot of families still have o…