24-9.8怎样简便计算
问题描述:
24-9.8怎样简便计算
答
=24-(10-0.2)
=24-10+0.2
=14+0.2
=14.2
24-9.8怎样简便计算
=24-(10-0.2)
=24-10+0.2
=14+0.2
=14.2