99.9*0.222+33.3*0.334怎么简便计算_数学解答

99.9*0.222+33.3*0.334怎么简便计算

人气：490 ℃　时间：2020-01-20 01:41:27

解答

原式=33.3*3*0.222+33.3*0.334
=33.3*0.666+33.3*0.334
=33.3*（0.666+0.334）
=33.3*1
=33.3