问题
填空题
1米比80厘米长______%,4吨比______吨少20%.
答案
1米=100厘米,
(100-80)÷80,
=20÷80,
=25%;
(2)4÷(1-20%),
=4÷80%,
=5(吨);
故答案为:25,5.
1米比80厘米长______%,4吨比______吨少20%.
1米=100厘米,
(100-80)÷80,
=20÷80,
=25%;
(2)4÷(1-20%),
=4÷80%,
=5(吨);
故答案为:25,5.