Question

5的倒数是______，|1-3|=______，-(2)22=______

5的倒数是______，|1-3|=______，-(2)22=______．

Answer 1

5的倒数是

1

5

；|1-

3

|=

3

-1；-

( 2 )2

2

=-

2

2

=-1．
故答案为

1

5

；

3

-1；-1．