阅读下列资料并分析回答问题：

资料一：蚯蚓和小白鼠都是昼伏夜出的动物，它们都能经过训练形成一种新的行为．某兴趣小组训练蚯蚓和小白鼠走“T”形迷宫获取食物的学习行为．结果表明，蚯蚓大约经过200次尝试，才能学会直接爬向食物．

资料二：把一块牛肉分成大小相同的三块，分别放在相同的甲、乙、丙三个广口瓶中，然后作如下处理和保存：

阅读理解

Alan and Cindy are in the same school. There are many school rules here. First, they can’t listen to music in the classroom or hallways. But they can listen to it outside or in the music room. Second, they can’t eat in the classroom but they can eat in the dining hall. Can they wear hats in class? No, they can’t. What other（其他的）rules do they have? They can't fight with their（他们的）classmates, either. Fights can make the teachers really unhappy…

根据短文内容，完成表格

$\frac{4}{7}$ ÷ $\frac{7}{4}$ ＝____ $\frac{1}{3}$ ×3＝____6× $\frac{1}{12}$ ＝____ $\frac{1}{7}$ ＋ $\frac{6}{7}$ ×7＝____

100÷10%＝____ $\frac{5}{9}$ ÷1＝____ $\frac{3}{7}$ ÷7＝____  $\frac{1}{3}$ ×9× $\frac{2}{3}$ ＝____