4+5
## [1] 9
(5)+5*5
## [1] 30
Poblacion=12220

Poblacion
## [1] 12220
Poblacion1=11770

PTOTAL=Poblacion+Poblacion1
PTOTAL
## [1] 23990
x=c(7,8,9,8,7,9,5,6)
y=c(21,22,23,24,24,32,21,20)
z="Hola Mundo"

x+y
## [1] 28 30 32 32 31 41 26 26
x/y
## [1] 0.3333333 0.3636364 0.3913043 0.3333333 0.2916667 0.2812500 0.2380952
## [8] 0.3000000
x-y
## [1] -14 -14 -14 -16 -17 -23 -16 -14
x*y
## [1] 147 176 207 192 168 288 105 120
mean(x)
## [1] 7.375
median(x) 
## [1] 7.5
sd(x)
## [1] 1.407886
min(x)
## [1] 5
max(x)
## [1] 9
sum(x)
## [1] 59
summary(x)
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   5.000   6.750   7.500   7.375   8.250   9.000
summary(y)
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   20.00   21.00   22.50   23.38   24.00   32.00