题目内容
(4他14?安远县模拟)把
:1.45化成最简单的整数比是______,比值是______.
| 着 |
| 4 |
(1)
:1.口3,
=
:
,
=(
×4):(
×4),
=1:3;
(口)
:1.口3,
=
:
,
=
÷
,
=0.5;
故答案为:1:3;0.5.
| 1 |
| 4 |
=
| 1 |
| 4 |
| 3 |
| 4 |
=(
| 1 |
| 4 |
| 3 |
| 4 |
=1:3;
(口)
| 1 |
| 4 |
=
| 1 |
| 4 |
| 3 |
| 4 |
=
| 1 |
| 4 |
| 3 |
| 4 |
=0.5;
故答案为:1:3;0.5.
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