Mental arithmetic. Addition and subtraction on the soroban
(4.00 with 3 reviews)
835
students
55 minutes
content
Mar 2020
updated
$14.99
Kuralay Abdiyeva
Online Course Instructor
4.56 (15 reviews)
Statistics
898
total students
3.2 hours
total content
Jan 2020
first content date
Apr 2020
last content date
Courses (4)
Ментальная арифметика. Сложение и вычитание на соробане
(4.67 with 9 reviews)
37
students
50 minutes
content
Mar 2020
updated
$14.99
Mental arithmetic. Methodical part
6
students
49 minutes
content
Mar 2020
updated
$14.99
Ментальная арифметика. Второй блок "Умножение и деление"
(5.00 with 3 reviews)
20
students
37 minutes
content
Mar 2020
updated
$14.99