x1=1 f(x1)=4;x2=2 f(x2)=1;x3=4 f(x3)=6 则二阶差商f(x1 x2 x3)=()A 5/2B -3C 11/6D 2/5
x1=1 f(x1)=4;x2=2 f(x2)=1;x3=4 f(x3)=6 则二阶差商f(x1 x2 x3)=()A 5/2B -3C 11/6D 2/5
发布时间:2024-09-01 18:21:33
x1=1 f(x1)=4;x2=2 f(x2)=1;x3=4 f(x3)=6 则二阶差商f(x1 x2 x3)=()A 5/2B -3C 11/6D 2/5