Offer borrowed flowers to the Buddha ―― take things from others as gifts.
Washington's birthday
How to save money by buying tickets
Mathematical games played by poets
Eat the word "hmm"
Little doll cracked the password.
Big brother scores
Friendship between generations
"eldest son" and "dwarf"
Huangshan wonders
1+ 1= 1 1
Children's day competition
The next son talks a lot.
The magical use of small mirrors
Decrypt the class teacher
True or false, true or false.
Separation of brothers in Sixiang Town
Anna with a headache
Can't eat "stimulants"
Beauty of overlapping
The game of component 24
Mathematics is a big workshop.
Solve the equation in one minute.
Mathematics on the chessboard
Peeing while drinking.
Clever calculation of maple leaf area
Chinese character cube
Interval magic square
Mabu bicycles
The troubles of "even fans"
222, don't blame it.
Nine-faced and exquisite
Shed the shell of cicada-get rid of the predicament/encirclement with strategy
Optimize dice
Fast dice
Let the devil go
Dare to recognize my uncle.
Confrontation in the sky
Mathematics is a big supermarket.
Mathematics is a big course.
Mathematics is a big stage.