Definition
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kumi na tatu
Kumi na tatu ni nambari inayoashiria idadi ya 13.
Thirteen is a number that indicates the quantity of 13.
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Kuna wanafunzi kumi na tatu katika darasa letu.
There are thirteen students in our class.
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Nilinunua matunda kumi na tatu soko.
I bought thirteen fruits at the market.
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Tarehe kumi na tatu ni siku yangu ya kuzaliwa.
The thirteenth is my birthday.