‹
World 30 · 2 of 6
Two-Digit Mental Subtraction
🔥 0 / 15 min
🌐
EN
•••
Home
Back to Course
Picture 58. Subtract 23.
Hide the Soroban
Hint
World 30
Mental Add & Subtract Mastery
1
2
3
4
5
6
⭐ 0 / 2 stickers