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I remove it
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Nijeo solution niya confusion e asi 
Ibrahim tui age nije chesta kor, 90 bar submit koreo hoinai tai na?
Nije chesta na kore agei sahajjo chaile medha nosto hoye jay 
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I have no idea about combinatorics because I read in class 7
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Check this…
Tuio to ekjoner shahajjo nisis amar sathe
Taina @soniakakon01
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I am not understanding it.
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In stead of asking in the community, you should study combinatorics first nevertheless it’ll be hard for you to understand in a nutshell
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Okay, thanks to you.
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ei probability er ans gula kivabe hoy?..integer or decimal e…and etar approach kivabe korbo?
Fraction or Decimal both are correct…its a basic number theory problem…
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