2. 外语
  3. When the decimal point of a certain positive decimal number is moved six places to the left, the resulting number is 9 times the

When the decimal point of a certain positive decimal number is moved six places to the left, the resulting number is 9 times the

admin2019-05-11  63
问题 When the decimal point of a certain positive decimal number is moved six places to the left, the resulting number is 9 times the reciprocal of the original number. What is the original number? ________.
选项
答案3000
解析 设这个数是x，将x的小数点向左移动6位，则x除以106，得到的数字是x的倒数的9倍，即x/106=9/x，得到x=3000。
转载请注明原文地址:https://kaotiyun.com/show/70kO777K
本试题收录于： GRE QUANTITATIVE题库GRE分类
0

GRE QUANTITATIVE

GRE

相关试题推荐
随机试题
最新回复(0)