Otto Franco
Computer Engineer
5.00 (4 reviews)
1
active courses
0
removed courses
Oct 2020
first content date
Oct 2024
last content date
15
total students
4
total reviews
5
average rating
3
total content length
Courses
Mental Multiplication for Everyone
15
students
2.5 hours
content
Oct 2024
updated
$19.99
Related Topics
Mental Math
