Answer:

Calculation of the sum of the side lengths of a cube and a cube: 240 ?12 = 20 (cm),

Calculation of surface area of long cubes and cubes: 20x20x6=2400 (square centimeter),

A: It takes at least 2400 square centimeters of wood to make this wooden box.

Analysis:

Test site prompt

Analyze the topic, recall the characteristics of the cube, and think about the edge sum formula and surface area formula of the cube; Problem-solving skills

According to the sum of the side lengths of a cube = side length x 12, the side length of the cube is calculated accordingly;

Finally, according to the surface area formula of the cube: s=6a, the data is substituted into the formula to solve.

Comments:

This question focuses on the ability to understand knowledge points. Students should cultivate their ability to understand knowledge points from the following 1 directions (mathematical operation) in their daily study.