Hirokuma.App
Hirokuma.App - 2 Applications
Abacus Exercise
★
3.2 FREE
50,000+
Hirokuma.App
Education
Have you ever found it difficult to operate the abacus with the abacus app?
Hirokuma.App
Education
Have you ever found it difficult to operate the abacus with the abacus app?
Abacus Lesson
★
4.9 FREE
50,000+
Hirokuma.App
Education
356+735+195, 23×89, 5626÷58, Can you solve each in 5 sec by mental arithmetic?
Hirokuma.App
Education
356+735+195, 23×89, 5626÷58, Can you solve each in 5 sec by mental arithmetic?