There are three children guessing boxing, one out of scissors, one out of stone and one out of cloth. How many fingers do the three have?
What will waste the 1/3 time of one's life?
Can an 11cm long ruler be used to engrave only 3 integer scales to measure the length of any integer cm between 1 and 11cm? If so, which scales should be engraved?
In the exam, Xiao Hua rolls the dice to decide the answer, but there are 20 questions. why did he throw 40 times?
It takes 30 seconds for a wall clock to strike six times and how many seconds for a wall clock to strike 12 times?
When 4-3=5?
Aunt Wang has three sons, and each of the three sons has a sister and a sister. How many children does Aunt Wang have?
There are six oranges in the plastic bag, how to divide them equally among the three children, while there are still two oranges in the plastic bag? (cannot separate oranges)
There are two empty rooms, one room has three lights, and the other room has three switches. Each switch can only turn on one light. If you can only enter each room once, how do you know which switch controls Which light?
When, four minus one is five?
There was a young man who wanted to cross a river to do business. However, this river has no boats and no bridges. So he swam across the river in the morning, and he swam to the other side in only an hour. In the afternoon, the width and flow rate of the river did not change, and more importantly, his swimming speed did not change, but it took him two and a half hours to swim to the river.
5 is bigger than 0, 0 is bigger than 2, and 2 is bigger than 5. Do you know what's going on?