A forgotten day in the desert
Before we enter the wonderful world of possibility
How to keep your pants on?
An object that can be attacked reasonably
Head or dish?
One of the most wonderful things in mathematics.
Football lottery, number combination, curry, hamburger, bell, lucky draw.
Dices, dates and cunning cards
The meteor collided with the monkey
Making л with chicken tail sprinkling roller
Add viper
Strange possibilities
Spots, spinning hands and silver dollars
The golden egg of the great rune
What do you think now?
"Damn mathematics" directory:
Damn math.-Are you kidding?
elementary knowledge
Professor fendisch's deadly plaque
The greatest invention in history.
How does the decimal system work?
Useless calculator
Long and short
time
timer
Find the right angle
Mathematical genius
Magic cube
Fast calculation
Interesting flop technique
How to deal with large numbers
The key to the maze-the symmetry of letters
Desperate score directory:
You have been warned.
The most common score
An unpredictable and unpredictable number.
Insect extinction
Brotherhood and least common multiple
Virtual sausage and hateful denominator
Irreconcilable decimal
The War with Calculator
Traveling on an ordinary planet
Terrible test
Goodbye, don't forget to put it on the table.
Numbers: the key to everything:
The final beginning
Fibonacci sequence and the miracle of Feargus Worth manor
Wonderful squares, triangles and cubes.
Luck and fear
prime suspect
A store full of surprises
Eldordo
Extremely useless figures
Chapter 9
Crazy night and the devil's number
Ultimate ultimate
final decision
"You can really+-* present" directory:
What is basic arithmetic?
Hui Gui bunker
Terrible addition
Some cunning symbols
Gross subtraction
translate
Terrible multiplication table
Crazy multiplication
Some more cunning symbols
The eighth tooth of evil
Little pants and Jinshi alliance
Sometimes zero doesn't mean nothing.
Rough calculation and madness
The most cunning symbol
The devil's arithmetic formula
Oh, no! see
Mathematical thinking training camp
Measurement: length, area and volume
Inevitable circles: circles and other figures
Especially deadly mathematics.