#' Subtract Function
#'
#' This function is good to subtract
#'
#' @param a A any number
#' @param b B is another random number
#'
#' @examples
#' subtrair(5,9)
#'
#' @export
subtrair <- function(a, b = 2) {
a - b
}
#' Sum Function
#'
#' This function is good to sum
#'
#' @param a A any number
#' @param b B is another random number
#'
#' @examples
#' somar(5,9)
#'
# sintaxe para deixar uma funcao visivel ao usuário
#' @export
somar <- function(a, b) {
sum(a, b)
}
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