问题
填空题
|
答案
(1)
的倒数是4 5
,5 4
(
-5 4
)÷4 5
,5 4
=
÷9 20
,5 4
=36%;
(2)2÷(1-20%),
=2÷80%,
=2.5;
故答案为:36,2.5.
|
(1)
的倒数是4 5
,5 4
(
-5 4
)÷4 5
,5 4
=
÷9 20
,5 4
=36%;
(2)2÷(1-20%),
=2÷80%,
=2.5;
故答案为:36,2.5.