alleryপৌনঃপুনিক দশমিক 0.777... কোনটো ভগ্নাংশৰ সমান?
A7/9
B7/10
C1/7
D7/99
Answer & Solution
Correct answer: A. 7/9
যদি x = 0.777..., তেন্তে 10x - x = 7, গতিকে x = 7/9।
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