总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 1/!(0)+1/!(1)+1/!(2)+1/!(3)+1/!(4)+1/!(5)+1/!(6)+1/!(7) 的值.
题型:数学计算
解:
1/!(0)+1/!(1)+1/!(2)+1/!(3)+1/!(4)+1/!(5)+1/!(6)+1/!(7)
=1/1+1/!(1)+1/!(2)+1/!(3)+1/!(4)+1/!(5)+1/!(6)+1/!(7)
=1/1+1/1+1/!(2)+1/!(3)+1/!(4)+1/!(5)+1/!(6)+1/!(7)
=1/1+1/1+1/2+1/!(3)+1/!(4)+1/!(5)+1/!(6)+1/!(7)
=1/1+1/1+1/2+1/6+1/!(4)+1/!(5)+1/!(6)+1/!(7)
=1/1+1/1+1/2+1/6+1/24+1/!(5)+1/!(6)+1/!(7)
=1/1+1/1+1/2+1/6+1/24+1/120+1/!(6)+1/!(7)
=1/1+1/1+1/2+1/6+1/24+1/120+1/720+1/!(7)
=1/1+1/1+1/2+1/6+1/24+1/120+1/720+1/5040
=1+1/1+1/2+1/6+1/24+1/120+1/720+1/5040
=1+1+1/2+1/6+1/24+1/120+1/720+1/5040
=1+1+0.5+1/6+1/24+1/120+1/720+1/5040
=1+1+0.5+0.166667+1/24+1/120+1/720+1/5040
=1+1+0.5+0.166667+0.041667+1/120+1/720+1/5040
=1+1+0.5+0.166667+0.041667+0.008333+1/720+1/5040
=1+1+0.5+0.166667+0.041667+0.008333+0.001389+1/5040
=1+1+0.5+0.166667+0.041667+0.008333+0.001389+0.000198
=2+0.5+0.166667+0.041667+0.008333+0.001389+0.000198
=2.5+0.166667+0.041667+0.008333+0.001389+0.000198
=2.666667+0.041667+0.008333+0.001389+0.000198
=2.708334+0.008333+0.001389+0.000198
=2.716667+0.001389+0.000198
=2.718056+0.000198
=2.718254 答案:1/!(0)+1/!(1)+1/!(2)+1/!(3)+1/!(4)+1/!(5)+1/!(6)+1/!(7)=2.718254你的问题在这里没有得到解决?请到 热门难题 里面看看吧!