DATEDIF函数是用来计算两个日期之间的天数,月数或年数。这个函数是 excel 中的隐藏函数,也就是说,我们在插入公式中是找不到这个公式的,我们在使用它的时候,可以直接输入。在此函数中,第三个参数的意思是所需要信息的类型,可以是以下几种:“ y ”计算();“ m ”计算();“ d ”计算();“ ym ”计算();“ yd ”计算();“ md ”计算()。
【简答题】Ever since t he first skyscr(摩天大楼) was built in Chicago in 1883, more and more buildings that reach for the skies have been constructed in the large cities of the world. For many years, the Empire...
【简答题】Section B TV Linked to Lower Marks A) The effect of television on children has been debated ever since the first sets were turned on. Now three new studies find that too much tube time can lower test ...