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Which of the following is the first calculating device?

~100 votes

This World's Teachers Day Vote For Your Favorite Teacher to make them win "Worlds Best Teacher" Trophy

~100 votes

select fkjnsf,bdlfaskl

~0 votes

Do you have concentration problem in studies?

~100 votes

which fruit do you like?

~100 votes

which fruit do you like?

~0 votes

which color do you like?

~100 votes