问题
填空题
20分:
|
答案
(1)20分:
时,5 12
=20分:25分,
=(20÷5):(25÷5),
=4:5;
(2)20分:
时,5 12
=4:5,
=4÷5,
=
.4 5
故答案为:4:5,
,.4 5
20分:
|
(1)20分:
时,5 12
=20分:25分,
=(20÷5):(25÷5),
=4:5;
(2)20分:
时,5 12
=4:5,
=4÷5,
=
.4 5
故答案为:4:5,
,.4 5