题目内容
| 化简下面各比,并求比值 154:77 | 0.25:2 |
| ||||
| 5.6:1.12 |
| 6厘米:0.8米. |
(1)154:77
=(154÷77):(77÷77)
=2:1
154:77
=154÷77
=2;
(2)0.25:2
=(0.25÷0.25):(2÷0.25)
=1:8
0.25÷2
=0.25÷2
=
;
(3)
:
=(
×30):(
×30)
=18:25
:
=
÷
=
×
=
;
(4)5.6:1.12
=(5.6÷1.12):(1.12÷1.12)
=5:1
5.6:1.12
=5.6÷1.12
=5.
(5)
:0.6
=
:
=(
×35):(
×35)
=30:21
=(30÷3):(21÷3)
=10:7
:0.6
=
÷
=
×
=
;
(6)6厘米:0.8米
=6厘米:80厘米
=(6÷2):(80÷2)
=3:40
6厘米:0.8米
=6厘米÷80厘米
=6÷80
=
.
=(154÷77):(77÷77)
=2:1
154:77
=154÷77
=2;
(2)0.25:2
=(0.25÷0.25):(2÷0.25)
=1:8
0.25÷2
=0.25÷2
=
| 1 |
| 8 |
(3)
| 3 |
| 5 |
| 5 |
| 6 |
=(
| 3 |
| 5 |
| 5 |
| 6 |
=18:25
| 3 |
| 5 |
| 5 |
| 6 |
=
| 3 |
| 5 |
| 5 |
| 6 |
=
| 3 |
| 5 |
| 6 |
| 5 |
=
| 18 |
| 25 |
(4)5.6:1.12
=(5.6÷1.12):(1.12÷1.12)
=5:1
5.6:1.12
=5.6÷1.12
=5.
(5)
| 6 |
| 7 |
=
| 6 |
| 7 |
| 3 |
| 5 |
=(
| 6 |
| 7 |
| 3 |
| 5 |
=30:21
=(30÷3):(21÷3)
=10:7
| 6 |
| 7 |
=
| 6 |
| 7 |
| 3 |
| 5 |
=
| 6 |
| 7 |
| 5 |
| 3 |
=
| 10 |
| 7 |
(6)6厘米:0.8米
=6厘米:80厘米
=(6÷2):(80÷2)
=3:40
6厘米:0.8米
=6厘米÷80厘米
=6÷80
=
| 3 |
| 40 |
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