题目内容
将下列各比化成最简整数比:
(1)12:36:84;
(2)1
:
:0.75;
(3)4
:3
:5
.
(1)12:36:84;
(2)1
1 |
5 |
3 |
10 |
(3)4
1 |
2 |
1 |
3 |
1 |
4 |
(1)12:36:84,
=(12÷12):(36÷12):(84÷12),
=1:3:7;
(2)1
:
:0.75,
=
:
:
,
=(
×20):(
×20):(
×20),
=24:6:15,
=8:2:5;
(3)4
:3
:5
,
=
:
:
,
=(
×12):(
×12):(
×12),
=54:40:63.
=(12÷12):(36÷12):(84÷12),
=1:3:7;
(2)1
1 |
5 |
3 |
10 |
=
6 |
5 |
3 |
10 |
3 |
4 |
=(
6 |
5 |
3 |
10 |
3 |
4 |
=24:6:15,
=8:2:5;
(3)4
1 |
2 |
1 |
3 |
1 |
4 |
=
9 |
2 |
10 |
3 |
21 |
4 |
=(
9 |
2 |
10 |
3 |
21 |
4 |
=54:40:63.
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