早教吧 育儿知识 作业答案 考试题库 百科 知识分享

求一道简单的GMAT数学题.Forallx,xispositiveinteger,"2-height"isdefinedtobethegreatestnonnegativenofx,whatisthegreatestnumberof2-heightwhen2isthefactorofA.2B.12C.40D.76E.90

题目详情
求一道简单的GMAT数学题.
For all x,x is positive integer,"2-height" is defined
to be the greatest nonnegative n of x,what is the
greatest number of 2-height when 2 is the factor of
A.2
B.12
C.40
D.76
E.90
▼优质解答
答案和解析
For all x,x is positive integer."2-height" is defined to be the greatest nonnagative n of x,what is the greatest number of the 2-height when 2^n is the factor of x
简单讲 就是找哪个数能被2^n整除得到最大的n 40=2*2*2*5 2-height=3