教室里教师桌的高度是多少？

认识万以上的数 English

先不看答案，让 AI 诊断你卡在哪里？

它不会直接告诉你答案，而是问你卡在哪一步看看 AI 是怎么陪你一步步弄懂这道题的

完整解法

8

1. Evaluate the given options based on real-world knowledge of a teacher's table

A teacher's table is typically around waist height for an adult.

$8\text{ cm}$ is too short (about the length of a finger).
$8\text{ m}$ is too tall (taller than a two-storey building).
$80\text{ m}$ is extremely tall (height of a skyscraper).
$80\text{ cm}$ is a reasonable height for a table.

答案

$80\text{ cm}$ (option 3)

AI 分析，可能出错

用 AI 批改，圈出写错的那一步，并自动将你的薄弱点存入错题本，形成你的错因库。

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