1 + 2 + 3 + etc, etc + 100 = ?! Can you calculate the sum of all numbers from 1 to 100 without using a calculator or pencil & paper? Congratulations to these solvers as of Osama Al Rawi, Danny Blanco, Esteban Carlino, Manuel Carvalho, Chiedu, Jan Coopman, Stephen Corbett, Alex Dyakov, Robert Escalante, Albert Frank, Henk Gerdsen, Aaron Glasenapp, Juan Gonzalez, Angelo Grasso, Joshua Green, Erik Isbrucker, Frank Kim, Nopawong Leelaprechalert, LW Luk, Chris Magson, Graham McDonald, Nicola Meyer, Valmai Osborn, Alexey Silkin, Bernard Sojka, Steve Steppe, Uldis Strautins, Charles Tay, Victor Wong and Ziegler. |
