2. 职称英语
  3. When - of a certain number is subtracted from the number and then this differenc

When - of a certain number is subtracted from the number and then this differenc

游客2024-01-13  33
问题 When - of a certain number is subtracted from the number and then this difference is added with 20, the result is the original number. What is the original number?
选项 A、9
B、22
C、18
D、60
E、13
答案 D
解析 假设这个数为x，根据题意得到：x-x/3+2=x，x=60，D为正确答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3360002.html
相关试题推荐
随机试题
最新回复(0)