题目内容
| 3 |
| 10 |
| 3 |
| 4 |
| () |
| 10 |
| 2 |
| () |
(1)(2)
÷
=
=
;
(3)
=
=
=40%;
(4)
=2:5=(2×10):(5×10)=20:50;
故答案为:4,5,40,20.
| 3 |
| 10 |
| 3 |
| 4 |
| 4 |
| 10 |
| 2 |
| 5 |
(3)
| 2 |
| 5 |
| 2×20 |
| 5×20 |
| 40 |
| 100 |
(4)
| 2 |
| 5 |
故答案为:4,5,40,20.
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题目内容
| 3 |
| 10 |
| 3 |
| 4 |
| () |
| 10 |
| 2 |
| () |
| 3 |
| 10 |
| 3 |
| 4 |
| 4 |
| 10 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2×20 |
| 5×20 |
| 40 |
| 100 |
| 2 |
| 5 |