题目内容
先化简比,再求比值:
6.4:8=
:
=
0.375:0.625=
8:
=
6.4:8=
| 1 |
| 6 |
| 2 |
| 3 |
0.375:0.625=
8:
| 8 |
| 9 |
6.4:8=64:80=4:5,
6.4:8=4;5=0.8;
:
=1:4,
:
=1:4=0.25;
0.375:0.625=
:
=3:5,
0.375:0.625=3:5=0.6;
8:
=72:8=9:1.
8:
=9:1=9.
故答案为:4:5,0.8;1:4,0.25;3:5,0.6;9:1,9.
6.4:8=4;5=0.8;
| 1 |
| 6 |
| 2 |
| 3 |
| 1 |
| 6 |
| 2 |
| 3 |
0.375:0.625=
| 3 |
| 8 |
| 5 |
| 8 |
0.375:0.625=3:5=0.6;
8:
| 8 |
| 9 |
8:
| 8 |
| 9 |
故答案为:4:5,0.8;1:4,0.25;3:5,0.6;9:1,9.
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