题目内容
50千克增加______%是80千克;80千克减少______%是50千克;比______多
是60千克.
| 1 |
| 5 |
(1)(80-50)÷50,
=30÷50,
=60%;
答:50千克增加60%是80千克.
(2)(80-50)÷80,
=30÷80,
=37.5%;
答:80千克减少37.5%是50千克.
(3)60÷(1+
),
=60÷
,
=60×
,
=50(千克);
答:比50千克多
是60千克.
故答案为:60,37.5,50千克.
=30÷50,
=60%;
答:50千克增加60%是80千克.
(2)(80-50)÷80,
=30÷80,
=37.5%;
答:80千克减少37.5%是50千克.
(3)60÷(1+
| 1 |
| 5 |
=60÷
| 6 |
| 5 |
=60×
| 5 |
| 6 |
=50(千克);
答:比50千克多
| 1 |
| 5 |
故答案为:60,37.5,50千克.
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