问题
填空题
比45千克多20%是______;30吨比______吨少
|
答案
(1)45×(1+20%),
=45×120%,
=54(千克);
(2)30+
=304 5
(吨);4 5
(3)(60-40)÷60,
=20÷60,
≈33.3%.
故答案为:54千克,30
,33.3.4 5
比45千克多20%是______;30吨比______吨少
|
(1)45×(1+20%),
=45×120%,
=54(千克);
(2)30+
=304 5
(吨);4 5
(3)(60-40)÷60,
=20÷60,
≈33.3%.
故答案为:54千克,30
,33.3.4 5