题目内容
| 求比值: 3.5:
|
| ||||||
0.8:
| 5厘米:20千米 | ||||||
3
| 4.6:9
| ||||||
| 1.25:6.5 |
3.5:
=3.5÷
=4.9;
:
=
÷
=
;
0.8:
=0.8÷
=80;
5厘米:20千米
=5厘米:2000000厘米
=5÷2000000
=
;
3
:0.75
=
÷
=
;
4.6:9
=4.6÷
=0.5;
1.25:6.5
=1.25÷6.5
=
;
米:12分米
=2分米:12分米
=2÷12
=
.
| 5 |
| 7 |
=3.5÷
| 5 |
| 7 |
=4.9;
| 3 |
| 4 |
| 2 |
| 5 |
=
| 3 |
| 4 |
| 2 |
| 5 |
=
| 15 |
| 8 |
0.8:
| 1 |
| 100 |
=0.8÷
| 1 |
| 100 |
=80;
5厘米:20千米
=5厘米:2000000厘米
=5÷2000000
=
| 1 |
| 400000 |
3
| 9 |
| 20 |
=
| 69 |
| 20 |
| 3 |
| 4 |
=
| 23 |
| 5 |
4.6:9
| 1 |
| 5 |
=4.6÷
| 46 |
| 5 |
=0.5;
1.25:6.5
=1.25÷6.5
=
| 5 |
| 26 |
| 1 |
| 5 |
=2分米:12分米
=2÷12
=
| 1 |
| 6 |
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