What's the name of this letter?
omega
sigma
delta
lambda
Sigma is a commonly used symbol of addition.
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Answers by country
omega
sigma
delta
lambda
answers
Greece
24
Estonia
28
Australia
18
the United Kingdom
58
Poland
8437
France
40
Brazil
20
the Netherlands
31
Switzerland
21
the United States
46
Ukraine
38
Germany
154
Spain
34
Austria
29
Russia
91
Mexico
19
Colombia
24
Belarus
18
Italy
1001
India
21