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The Counting Halls · Stone · 3 min
18 + 3
Print 18 + 3.
Lv 1
·
22/22
·
3/1
·
3
Match the required output
Addition.
21
1
2
3
4
5
6
7
8
a =
18
b =
3
a = 18 b = 3
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Hint
The stone is quiet.
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