21
💡
❗
7
10
1 / 11
7
K
A
1
2
3
4
💡
➕
✋
⏫
🔀
21
✓
✗
10
+
8
+
7
=
25 ✗
⚠️
S17
25 ✗
13 ✓
💡
+10
−10
0
+20
−20
3:2
+15
11
+
10
=
21
→
+15
6:5
+12
1:1
+10
💡
⚠️
1
2
3
💡
💡
🔎
💡
⚠️
4
2
8
8
·
2
8
8
·
4
💡
🌐
9
16
1
2
3
4
5
💡