问题
填空题
|
答案
(1)
时:15分,3 4
=45分:15分,
=45:15,
=(45÷15):(15÷15),
=3:1;
(2)
时:15分,3 4
=45分:15分,
=45:15,
=45÷15,
=3,
故答案为:3:1,3.
|
(1)
时:15分,3 4
=45分:15分,
=45:15,
=(45÷15):(15÷15),
=3:1;
(2)
时:15分,3 4
=45分:15分,
=45:15,
=45÷15,
=3,
故答案为:3:1,3.