题目内容
如果
a=
b,那么a:b=______:______,如果a:4=0.6:8,那么a=______.
| 1 |
| 5 |
| 1 |
| 2 |
(1)
a=
b,
a:b=
:
=5:2;
(2)a:4=0.6:8,
8a=4×0.6,
8a=2.4,
a=0.3;
故答案为:5,2,0.3.
| 1 |
| 5 |
| 1 |
| 2 |
a:b=
| 1 |
| 2 |
| 1 |
| 5 |
(2)a:4=0.6:8,
8a=4×0.6,
8a=2.4,
a=0.3;
故答案为:5,2,0.3.
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