谁能回答我两个英语问题
题目
谁能回答我两个英语问题
The whole class form a circle.if we count the students form the monitor in a clockwise direction,mary will be NO.17.if we count the students from the monitor in a counterclockwise students are there in the class?( )
Mary's grandfather says to her:"My birthday is the second Tuesday of May.There are 4 Tuesdays this May,and the sum of the four days is 58."The birth date of Mary's grangfather is( ),May
第一个问题:The whole class form a circle.if we count the students form the monitor in a clockwise direction,mary will be NO.17.if we count the students from the monitor in a counterclockwise direction.Mary will be No.21.How many students are there in the class?( )
答案
NO.1:37 ,37=17+21 -2,for the two different counting,we count both monitor and Mary twice,there is an extra 2 here.NO.2 :4 .May; Obviously,the dates for the same weekday like Tuesday is in sequential s...
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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