求124.68+324.68+524.68+724.68+924.68=?的简便计算,
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 05:01:03
![求124.68+324.68+524.68+724.68+924.68=?的简便计算,](/uploads/image/z/642987-27-7.jpg?t=%E6%B1%82124.68%2B324.68%2B524.68%2B724.68%2B924.68%3D%3F%E7%9A%84%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%2C)
求124.68+324.68+524.68+724.68+924.68=?的简便计算,
求124.68+324.68+524.68+724.68+924.68=?的简便计算,
求124.68+324.68+524.68+724.68+924.68=?的简便计算,
124.68+324.68+524.68+724.68+924.68
=100+300+500+700+900+24.68*5
=2500+123.4
=2623.4
=124.68*(1+3+5+7+9)=124.68*(10+10+5)=124.68*10*2.5=1246.8*2.5=1246.8*10/4=12468/4=3117
(100+300+500+700+900)+24.68*5=2500+123.4=2623.4
不知道这个够不够简便?