题目内容
40是50的______%;40比50少______%;30比______少25%.
(1)40÷50=0.8=80%;
答:40是50的80%.
(2)(50-40)÷50,
=10÷50,
=20%;
答:40比50少20%.
(3)30÷(1-25%),
=30÷
,
=30×
,
=40;
答:30比40少25%.
故答案为:80,20,40.
答:40是50的80%.
(2)(50-40)÷50,
=10÷50,
=20%;
答:40比50少20%.
(3)30÷(1-25%),
=30÷
| 3 |
| 4 |
=30×
| 4 |
| 3 |
=40;
答:30比40少25%.
故答案为:80,20,40.
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