求比值:23:49 &n...

求比值:23:49 0.4:0.36 35:78.
2025-06-26 11:48:03
推荐回答(1个)
回答1:

(1)

2
3
4
9

=
2
3
÷
4
9

=
3
2


(2)0.4:0.36
=0.4÷0.36
=
10
9


(3)35:
7
8

=35÷
7
8

=40.