问题
填空题
4m是20m的______%;12km的5%是______m.
答案
(1)4÷20×100%,
=0.2×100%,
=20%;
(2)12×5%,
=0.6(千米),
=600(米),
故答案为:20,600.
4m是20m的______%;12km的5%是______m.
(1)4÷20×100%,
=0.2×100%,
=20%;
(2)12×5%,
=0.6(千米),
=600(米),
故答案为:20,600.