麻邻国AI vs TwentyFour

麻邻国是一款AI驱动的麻将学习工具，帮助你从零开始掌握长沙、四川、广东、红中等主流打法。 核心功能： - AI智能教练：根据你的水平定制学习路径，实时指导出牌策略 - 多地区打法：覆盖长沙麻将、四川血战、红中麻将、广东麻将等主流规则 - AI对局练习：与AI对手实战演练，无需凑人即可随时练牌 - 掼蛋训练：首页一键切换麻将/掼蛋，记牌训练三档星级挑战 - 识牌训练：通过趣味游戏快速记住牌面，提升反应速度 - 段位系统：从入门到高手，清晰的成长路径 - AR识牌：用摄像头识别实体麻将牌，获取实时出牌建议 无论你是完全不会打麻将的新手，还是想精进某一地区打法的老玩家，麻邻国都能帮你系统提升。 本应用为麻将与掼蛋学习训练工具，所有对局均为 AI 陪练，不含任何真人对战、赌博及现金交易内容。 订阅说明： - 麻邻国会员 ¥98/月，提供无限练习和全部课程 - 免费用户每日可体验10道练习题 - 付款将在确认购买时从Apple ID账户扣取 - 订阅到期前24小时自动续费，可随时在设置中取消 - 隐私政策：https://malinguo.com/privacy - 用户协议：https://malinguo.com/terms

Make exactly 24 using four numbers—and discover how many elegant paths hide in simple arithmetic. TwentyFour is a calm, handcrafted number puzzle for iPhone and iPad. Tap cards in calculation order and choose +, −, ×, or ÷ either between the two cards or after selecting both. Keep combining until one exact result remains. Every number must be used exactly once. Features: • 120 verified puzzles across six progressive chapters • Exact fractions and negative intermediate results • Step hints, undo, redo, restart, and full solutions • Three-star goals based on hints, time, and efficient moves • A deterministic daily challenge that works offline • Free practice with adjustable difficulty • Achievements and local statistics • Dark Mode, Dynamic Type, VoiceOver, and Reduce Motion • No ads, accounts, in-app purchases, analytics, or network connection There is no failure countdown. Take your time, experiment, and build stronger number sense at your own pace. Can you make 24?