8 Answers
২+২=৫ হবে;এটা হলো অক্টাল সংখ্যা পদ্ধতির যোগ।এপদ্ধতিতে যোগ করলে ২+২=৫হবে। তথ্যসুত্র:১১শ্রেণীর আইসিটি রয়েল গাইড,৩৫৮পৃষ্টা।
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0=0
=> 22 - 22 = 10-10
=> (2+2)(2-2) = 5(2-2)
=> (2+2) = 5(2-2)/(2-2)
=> 2+2 = 5
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Theorem: 4 = 5 'Proof': -20 = -20 (obviously...) 16 - 36 = 25 - 45 (just two different ways to write -20) 4^2 - 9*4 = 5^2 - 9*5 (factoring...) 4^2 - 9*4 + 81/4 = 5^2 - 9*5 + 81/4 (add 81/4 to both sides) (4 - 9/2)^2 = (5 - 9/2)^2 ("completing the square") 4 - 9/2 = 5 - 9/2 (get rid of the squares) 4 = 5 (cancel the 9/2 from both sides) 2+2=5 (proved)
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