import mathx=eval(input("请输入x的值:"))if x>;=5:y=math.sin(x)+math.sqrt(x2+1)elif x>;=0:y=math.exp(x)+math.log(x,5)+x(1/5)else:y=math.cos(x)-x*3+3xprint("分段函数y的值是:%.2f"%y)
import math
x=eval(input("请输入x的值:"))
if x>=5:
y=math.sin(x)+math.sqrt(x*2+1)
elif x>=0:
y=math.exp(x)+math.log(x,5)+x*(1/5)
else:
y=math.cos(x)-x*3+3*x
print("分段函数y的值是:%.2f"%y)