计算：-1+12-14+18_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题解答题

计算：-1+

1

2

-

1

4

+

1

8

答案

-1+

1

2

-

1

4

+

1

8

=-1-

1

4

+

1

2

+

1

8

=-

5

4

+

5

8

=-

5

8

．

问答题

七、应用程序的管理

要求：利用鼠标右键，创建“我的文件”文件夹的快捷方式到窗口中

选择题

This kind of cloth ________ well, and that is why it ________ well. [ ]

A. washes; sells

B. is washed; sells

C. washes, is sold

D. is washes; is sold