512+513 = ?

A 525

B 1025

C 512+5

D 6.512

Solution

Correct Answer: Option D

512 + 513 উৎপাদকের নিয়মে করার চেষ্টা করুন।

512 + 513 = 512(1+5)= 512 × 6

513 = 6.512-512= 5.512 
তাহলে,
512+513 
= 512+ 5.512  
= 6.512

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