Smart_cards x
This is simple question cards.
| Category | Price | Seller | Device |
|---|---|---|---|
| Education | Free | Naoya Yoshida | iPhone, iPad, iPod |
This cards have 99 equations of multiplication.
1x1 = 1
.......
9x9 = 81
Let's try it !
--- How to play ---
Tap "Challenge" button to start.
Tap "Next" button to display question.
Thinking.......
Tap "And." button to display answer.
