28 ÷ 4 × 4 − 2² = ? · 24 примеров · Успеешь за таймером?
Study River - Math Drill
0:00 / 0:00
28 ÷ 4 × 4 − 2² = ? · 24 примеров · Успеешь за таймером?
37 просмотров · 8 дн. назад
Study River - Math Drill
92 подписчика
37 просмотров · 8 дн. назад
24 levels, 15 seconds each — difficulty ramps up. One miss and that's your level.
How far did you get? Drop your level in the comments with your country flag!
For parents: make printable math practice for your child with AI — choose the skills, amount, and difficulty. Your learning record stays in your own JSON file.
🌍 StudyRiver for families: https://eidendo.co.jp/en/studyriver/?...
🇯🇵 日本語はこちら: https://eidendo.co.jp/studyriver/?utm...
0:00 Ready? 3·2·1
0:05 Level 1
0:25 Level 2
0:45 Level 3
1:05 Level 4
1:25 Level 5
1:45 Level 6
2:05 Level 7
2:25 Level 8
2:45 Level 9
3:05 Level 10
3:25 Level 11
3:45 Level 12
4:05 Level 13
4:25 Level 14
4:45 Level 15
5:05 Level 16
5:25 Level 17
5:45 Level 18
6:05 Level 19
6:25 Level 20
6:45 Level 21
7:05 Level 22
7:25 Level 23
7:45 Level 24
8:05 Your level?
#math #mentalmath #mathquiz #braintraining