题目内容
| 1 |
| 5 |
| 1 |
| 3 |
(1)
:
,
=
÷
,
=
×3,
=
;
(2)4:0.8=(4×10):(0.8×10),
=40:8,
=(40÷8):(8÷8),
=5:1;
故答案为:
,5:1.
| 1 |
| 5 |
| 1 |
| 3 |
=
| 1 |
| 5 |
| 1 |
| 3 |
=
| 1 |
| 5 |
=
| 3 |
| 5 |
(2)4:0.8=(4×10):(0.8×10),
=40:8,
=(40÷8):(8÷8),
=5:1;
故答案为:
| 3 |
| 5 |
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