讲解题目。要求：深入浅出，幽默风趣，适合小学三年级语言风格---**Question Stem:**
一根铁丝可以围成一个边长60厘米的正方形。现在把它改围成一个长80厘米的长方形，这个长方形的面积是多少平方厘米？
**Other Relevant Text:**
(Note: There is some faint, unrelated text/calculation visible above the main question, possibly from a previous problem or scratch work, which reads "160m²" and other illegible characters. This has been excluded as it's not directly part of the current question content.)
**General Instructions:**
选一选。(将正确答案的序号填在括号里)
(Choose one. (Fill the number of the correct answer in the parentheses))
**Question 1:**
(1)张经理和16位同事去吃早餐，每人吃了一碗18元的牛肉面。结账时，老板给每人优惠了2元，他们一共要付( )元。
(Manager Zhang and 16 colleagues went for breakfast. Each person ate a bowl of beef noodles costing 18 yuan. When checking out, the boss gave each person a discount of 2 yuan. They一共 have to pay ( ) yuan in total.)
**Options:**
① 256
② 320
③ 272
**Question Stem:**
同学们还记得《曹冲称象》的故事吗？如果称一头小象用去了48块石头，平均每块石头重32千克，这头小象重多少千克？
**Question Stem:**
把边长3米的正方形玻璃切割成大小相同的6块小玻璃，每块小玻璃的面积是多少平方分米？
**Other Relevant Text:**
* **Description:** A square piece of glass with a side length of 3 meters is cut into 6 smaller pieces of glass of equal size.
* **Given Values:**
* Side length of the square glass: 3 meters
* Number of equally sized smaller pieces: 6
* **Question:** What is the area of each small piece of glass in square decimeters?
**General Instruction:**
选一选。（将正确答案的序号填在括号里）
(Choose one. (Fill in the number of the correct answer in the parenthesis))
---
**Question 1:**
**Question Stem:**
淘淘家书房的长方形地面长5米，宽3米。用面积是4平方分米的正方形的地砖铺书房，需要（ ）块。
**Options:**
① 300
② 375
③ 200
**Other Relevant Text (User Markings):**
There is a red circle around the blank space for the answer, and a red line points from the blank to option ②.
---
**Question 2:**
**Question Stem:**
王叔叔用边长4分米的正方形地砖铺客厅的长方形地面。沿着客厅的长正好铺了15块，沿着客厅的宽正好铺了10块。客厅的面积是（ ）
**Options:**
① 600 平方分米
② 24 平方米
③ 15 平方米
**Other Relevant Text (User Markings):**
There is a red circle around the blank space for the answer with a red 'X' drawn over it. There is also a red 'X' drawn over option ①.
---
**Chart/Diagram Description:**
No chart or diagram is present in the image.
**Question Stem:**
8辆卡车运8趟煤，共运384吨。现在有600吨煤，要求5趟运完，需要这样的卡车多少辆？
**Question Stem:**
2. 豆腐是一种营养丰富且历史悠久的食材。某豆腐店有3袋黄豆，每袋25千克。如果1千克黄豆能做成4千克豆腐，这批黄豆能做成多少千克豆腐？
**Other Relevant Text (Handwritten Calculation):**
3×24=72（千克）
**Question Stem:**
一个正方形和一个长方形的周长相等，长方形的长是25厘米，宽是13厘米，正方形的面积是多少平方厘米？