再谈倒数的和之二

费尔马1

1/12252240+1/4084080+1/765765+1/875160=1/360360
1/942480+1/816816+1/6126120+1/3063060=1/360360
1/1021020+1/1225224+1/1750320+1/2450448=1/360360
1/1531530+1/2042040+1/1361360+1/1113840=1/360360
1/12252240+1/942480+1/1021020+1/1531530=1/360360
1/4084080+1/816816+1/1225224+1/2042040=1/360360
1/765765+1/6126120+1/1750320+1/1361360=1/360360
1/875160+1/3063060+1/2450448+1/1113840=1/360360
1/12252240+1/816816+1/1750320+1/1113840=1/360360
1/875160+1/6126120+1/1225224+1/1531530=1/360360