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
24
Australia
18
the United Kingdom
56
Brazil
19
Poland
8421
France
40
the Netherlands
31
Switzerland
21
Ukraine
38
the United States
42
Mexico
18
Germany
140
Russia
90
Spain
33
Austria
27
Colombia
24
Belarus
18
Italy
994
India
21