题目内容
把2
:1
化成最简整数比是______,比值是______.
| 1 |
| 8 |
| 2 |
| 3 |
(1)2
:1
=
:
,
=(
×24):(
×24),
=51:40;
(2)2
:1
,
=
÷
,
=
×
,
=
,
故答案为:51:40;
.
| 1 |
| 8 |
| 2 |
| 3 |
| 17 |
| 8 |
| 5 |
| 3 |
=(
| 17 |
| 8 |
| 5 |
| 3 |
=51:40;
(2)2
| 1 |
| 8 |
| 2 |
| 3 |
=
| 17 |
| 8 |
| 5 |
| 3 |
=
| 17 |
| 8 |
| 3 |
| 5 |
=
| 51 |
| 40 |
故答案为:51:40;
| 51 |
| 40 |
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