题目内容
| 化简下面各比. 1:0.375 |
|
0.625:
|
(1)1:0.375,
=(1×1000):(0.375×100),
=1000:375,
=(1000÷125):(375÷125),
=8:3;
(2)
:
,
=(
×20):(
×20),
=6:5;
(3)0.625:
,
=0.625:0.375,
=625:375,
=(625÷125):(375:125),
=5:3.
=(1×1000):(0.375×100),
=1000:375,
=(1000÷125):(375÷125),
=8:3;
(2)
| 3 |
| 10 |
| 1 |
| 4 |
=(
| 3 |
| 10 |
| 1 |
| 4 |
=6:5;
(3)0.625:
| 3 |
| 8 |
=0.625:0.375,
=625:375,
=(625÷125):(375:125),
=5:3.
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