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Solve without calculator

2 * 10^5 - 2 * 10^4- 2 * 10^3 - 2 * 10^2 - 2 * 10^1 - 2 * 10^0 = ?

177778 177779 177777 177787

Nishant Kumar by nishant kumar , 21, India

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1 solution

Vaibhav Kandwal
Jan 4, 2015

Use Latex Bro..

Simply, 200000 − 22222 = 177778 200000 - 22222 = \boxed{177778}

0 Helpful 0 Interesting 0 Brilliant 0 Confused

Ah, so that's why! I though it was 210 210 all along since there was no asterisk before :(

Marc Vince Casimiro - 6 years, 5 months ago

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