"Ratios define the structure of our world. Let's decode them!" /
"比例定义了我们世界的结构。让我们一起来解码吧！"
CHAPTER 4: ADVANCED ARITHMETIC / 第四章：高级算术
和倍/差倍
和倍/差倍
问题
Ratio Problems
Master the logic of ratios to solve the mystery of quantities! /
掌握和倍与差倍的逻辑，解开数量之谜！
ESTIMATED TIME
schedule
45:00 MINS
MISSION REWARD
emoji_events
150 XP
Difficulty
Lvl 19 Expert