JAPAN | A Nice Olympiads Trick | 3^12 - 81 | No Calculator Allowed

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[@naiyerequabalahmed5249]

What a shame!
Why not a simple calculation of 5 ×5×5×5×5×5×5×5×5×5×5 - 1 will be done. It will come as 3125×15625 - 1= 48728125 - 1 = 48728124. That's all.