1、加法运算:SUM(number1,number2....)，number1、number2……为需要求和的数;
2、减法运算:IMSUB(number1，number2);number1为被减数，number2为减数;
3、乘法运算:PRODUCT(number1,number2,...)，number1、number2……为需要相乘的数;
4、除法运算:QUOTIENT(numerator,denominator)
原文：https://www.cnblogs.com/jacklong-yin/p/8745855.html