问题
填空题
100是80的______%,3.2吨比______吨少20%.
答案
解(1)100÷80=125%;
(2)3.2÷(1-20%),
=3.2÷
,4 5
=3.2×
,5 4
=4(吨);
故答案为:125,4.
100是80的______%,3.2吨比______吨少20%.
解(1)100÷80=125%;
(2)3.2÷(1-20%),
=3.2÷
,4 5
=3.2×
,5 4
=4(吨);
故答案为:125,4.