Four Operations Math vs 初中化学公式闯关

This is a challenging puzzle game in which the player creates a mathematical equation that achieves a target value using four given numbers and four arithmetic operations. Players must use their logical thinking and creativity to reach a different target value each time. ■ Rules * Use all numbers: All four numbers provided must be used one at a time. * Four arithmetic operations and parentheses: Add, subtract, multiply, divide, and use parentheses as many times as you like. * Target value achievement: Try to make the formula match the target value, which changes each time. ■ Operation * Tap a panel: Tap the bottom panel to add it to the end of the formula. * Drag a panel: Drag a panel to add it anywhere in the formula. * Drag & Drop: Added panels can be dragged and dropped to any desired location. * Delete panel: Added panels can be deleted by double tapping on them. ■ Game Modes * Basic Mode: The target value and the four numbers to be used are determined at random. * Custom Mode: You decide the target value and the four numbers to be used. ■ Features * Intuitive operation: Simple and easy-to-use controls allow anyone to enjoy the game immediately. * Different challenges each time: The target value changes each time, so there is always a fresh challenge awaiting you. * Promotes logical thinking: Solving puzzles develops your logical thinking and problem-solving skills. Test your computational and logical thinking skills and hone your skills while having fun. Let's give it a try!

中化学公式闯关是一款专为初中生设计的化学方程式学习应用，紧扣人教版教材，帮助学生在趣味闯关与系统练习中掌握化学方程式。 五大学习模块，覆盖完整学习闭环 - 公式闯关：入门化学式、基础配平、反应类型进阶、重难点综合、期末限时冲刺，逐层解锁 - 公式大全：按章节浏览全部方程式，支持搜索、标签筛选与收藏 - 专项训练：薄弱专项、配平专项、沉淀反应、气体制取、化学计算、随机混合 - 错题本：自动收录答错题目，支持分类筛选、逐题重做与批量复习 - 学习统计：连续打卡、练习时长、章节掌握进度一目了然 贴心学习辅助 - 化学输入面板：一键插入下标、箭头、反应条件，答题更轻松 - 知识工具：精简元素周期表、化合价口诀、常用离子符号随时查阅 - 星级掌握体系：闯关 3 星通关当场掌握，训练连续答对 2 次即掌握 - 每日学习提醒：自定义提醒时间，养成坚持练习的好习惯 纯净学习体验 - 纯本地离线运行，无需联网 - 支持浅色与深色模式，三档字体大小可调 适合人群 - 初中化学在读学生 - 备战中考的初三学生 - 需要系统复习化学方程式的学习者 立即下载，开启你的化学方程式闯关之旅。