题目内容
40比50少______%,50比40多______%.比35米少
是______米,20吨比______吨少20%.
| 1 |
| 5 |
(1)(50-40)÷50
=10÷50
=20%
答:40比50少20%.
(2)(50-40)÷40
=10÷40
=25%
答:50比40多25%.
(3)35×(1-
)
=35×
=28(米)
答:比35米少
是28米.
(4)20÷(1-20%)
=20÷0.8
=25(吨)
答:20吨比25吨少20%.
故答案为:20;25;28;25.
=10÷50
=20%
答:40比50少20%.
(2)(50-40)÷40
=10÷40
=25%
答:50比40多25%.
(3)35×(1-
| 1 |
| 5 |
=35×
| 4 |
| 5 |
=28(米)
答:比35米少
| 1 |
| 5 |
(4)20÷(1-20%)
=20÷0.8
=25(吨)
答:20吨比25吨少20%.
故答案为:20;25;28;25.
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