题目内容
先化简,再求比值
1
| 2
|
(1)1
:0.85,
=(
×20):(
×20),
=35:17;
1
:0.85,
=35:17,
=35÷17,
=
;
(2)2
:0.04,
=(2.5×100):(0.04×100),
=250:4,
=125:2;
2
:0.04,
=125:2,
=62.5.
| 3 |
| 4 |
=(
| 7 |
| 4 |
| 17 |
| 20 |
=35:17;
1
| 3 |
| 4 |
=35:17,
=35÷17,
=
| 35 |
| 17 |
(2)2
| 1 |
| 2 |
=(2.5×100):(0.04×100),
=250:4,
=125:2;
2
| 1 |
| 2 |
=125:2,
=62.5.
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