题目内容
猜灯谜.

(1)5×
=4(小时)
(2)12+12×
=12+9
=21(米)
(3)45×(1-
)
=45×
=25(人)
故答案为:4小时,21米,25人.
| 4 |
| 5 |
(2)12+12×
| 3 |
| 4 |
=12+9
=21(米)
(3)45×(1-
| 4 |
| 9 |
=45×
| 5 |
| 9 |
=25(人)
故答案为:4小时,21米,25人.
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| 5 |
| 3 |
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