16.7×2.1+10.8怎样简便计算_知识解答

16.7×2.1+10.8怎样简便计算

人气：496 ℃　时间：2025-06-28 23:34:08

解答

16.7×2.1+10.8
=16.7*（2+0.1）+10.8
=16.7*2+16.7*0.1+10.8
=33.4+10.8+1.67
=44.2+1.67
=45.87