数学题在线解答(5+1)x(5x5+1)X(5x5x5x5+1)x(5X5x5x5x5x5x5x5+!)x(5x5x5x5x5x5x5x5x5x5x5x5x5x5x5x5+1)+1/4
2019-04-13
数学题在线解答(5+1)x(5x5+1)X(5x5x5x5+1)x(5X5x5x5x5x5x5x5+!)x(5x5x5x5x5x5x5x5x5x5x5x5x5x5x5x5+1)+1/4
优质解答
(5+1)x(5x5+1)X(5x5x5x5+1)x(5X5x5x5x5x5x5x5+!)x(5x5x5x5x5x5x5x5x5x5x5x5x5x5x5x5+1)+1/4
=1/4*(5-1)*(5+1)x(5x5+1)X(5x5x5x5+1)x(5X5x5x5x5x5x5x5+!)x(5x5x5x5x5x5x5x5x5x5x5x5x5x5x5x5+1)+1/4
=1/4*(5^32-1)+1/4
=5^32/4
=5820766091346740722656.25
(5+1)x(5x5+1)X(5x5x5x5+1)x(5X5x5x5x5x5x5x5+!)x(5x5x5x5x5x5x5x5x5x5x5x5x5x5x5x5+1)+1/4
=1/4*(5-1)*(5+1)x(5x5+1)X(5x5x5x5+1)x(5X5x5x5x5x5x5x5+!)x(5x5x5x5x5x5x5x5x5x5x5x5x5x5x5x5+1)+1/4
=1/4*(5^32-1)+1/4
=5^32/4
=5820766091346740722656.25