问题
解答题
|
答案
(1)63:54,
=(63÷9):(54÷9),
=7:6;
63:54,
=63÷54,
=
7 |
6 |
(2)6:2.4,
=(6÷1.2):(2.4÷1.2),
=5:2;
6:2.4,
=6÷2.4,
=2.5;
(3)
108 |
72 |
=(108÷36):(72÷36),
=3:2;
108 |
72 |
3 |
2 |
(4)
7 |
8 |
5 |
6 |
=(
7 |
8 |
5 |
6 |
=21:20;
7 |
8 |
5 |
6 |
=
7 |
8 |
5 |
6 |
=
7 |
8 |
6 |
5 |
=
21 |
20 |