算术函数 plus(a, b), a + b operator minus(a, b), a - b operator multiply(a, b), a * b operator divide(a, b), a / b operator intDiv(a,b) intDivOrZero(a,b) modulo(a, b), a % b oper...
算术函数 plus(a, b), a + b operator minus(a, b), a - b operator multiply(a, b), a * b operator divide(a, b), a / b operator intDiv(a,b) intDivOrZero(a,b) modulo(a, b), a % b oper...