In the brain hole master, outfit is a very important part. A reasonable order of equipment can greatly improve your combat effectiveness and help you win more victories in the game. Today, let us find out how many knives it takes to cut a cake into 8 pieces.
Question: How many knives are needed to cut the cake into 8 pieces?
Answer: 3 dollars
Analysis: First cut the cake horizontally, divide the cake into upper and lower layers, and then cut the cake into two cross-cuts, so that there are 4 pieces at the top and bottom, so there are 8 pieces of cake.