题目内容
求比值.
3:
160:25 1.5小时:50分.
3:
| 1 |
| 4 |
(1)3:
,
=3÷
,
=12;
(2)160:25,
=160÷25,
=6.4;
(3)1.5小时:50分,
=90分:50分,
=90÷50,
=
.
| 1 |
| 4 |
=3÷
| 1 |
| 4 |
=12;
(2)160:25,
=160÷25,
=6.4;
(3)1.5小时:50分,
=90分:50分,
=90÷50,
=
| 9 |
| 5 |
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