the names of who have solved question number 18:
9 )
🏆Ahmed Al-Aradi from Bahrain

@worldmath

Sent by Ahmed Al-Aradi from Bahrain

Sent by Fateh Shoireb from Yemen👇🏼👇🏼

7

↓This is question number 19↓
you can send for us your answers until 1 June

@worldmath

Send your solution to @mathcenter

Send your nice questions to @world_math

the names of who have solved question number 19:

1⃣
🏆Mohammed Alqottby from Yemen

3⃣
🏆Mahnaz Borghei from Iran
🏆Saeed Entezari from Iran

@worldmath

1 and 2
@worldmath

3 and 4
@worldmath

↓This is question number 20↓
you can send for us your answers until 14 July

@worldmath

A)Which colorful area is bigger?
Sent by Hadi Seyedali
#geometry
@worldmath

B,C,D
#number_theory

Send your solution to @mathcenter

Send your nice questions to @world_math