问题
填空题
5吨增加______%是6吨,16千克比______千克少20%.
答案
(6-5)÷5,
=1÷5,
=0.2,
=20%;
16÷(1-20%),
=16÷0.8,
=20(千克).
故答案为:20,20.
5吨增加______%是6吨,16千克比______千克少20%.
(6-5)÷5,
=1÷5,
=0.2,
=20%;
16÷(1-20%),
=16÷0.8,
=20(千克).
故答案为:20,20.