寄植 317日目+楽しい暗記 475日目
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Mathematics
lim h->0 (1+h)1/h = e = 2.7182818284 = 1.64872127 x 1.64872127
ln 2 = 0.69314718
1/e = 0.3678794411
2 = 1.259921 x 1.259921 x 1.259921 = 1.414213562 x 1.414213562
3 = 1.44224957 x 1.44