来自李思光的问题
简便计算333.3×6.666
简便计算333.3×6.666
1回答
2020-06-2421:33
简便计算333.3×6.666
简便计算333.3×6.666
333.3×6.666…………………变一变,就简便
=(333.3×3)×2.222
=999.9×2.222
=(1000-0.1)×2.222
=1000×2.222-0.1×2.222
=2222-0.2222
=2221.7778