Nicola Selenu, il Blog Blog

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Curiosità matematiche #5

Magiche Eguaglianze 1 + 25 + 31 + 84 + 87 + 134 + 158 + 182 + 198 = 2+ 18+ 42+ 66+ 113+ 116+ 169+ 175+ 199 12+252+312+842+872+1342+1582+1822+1982 = 22+182+422+662+1132+1162+1692+1752+1992 13+253+313+843+873+1343+1583+1823+1983 = 23+183+423+663+1133+1163+1693+1753+1993...