(9+9²+9³)乘0.01的简便运算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/02 09:25:21
x)ӰԶTS64Ж֚Ov030|>'?6IE$/!hK-
CmKmCX-"~qAbX0ᇧ#ayx:м-(
Հ,IӉ&ii,`ahEu ʠv
(9+9²+9³)乘0.01的简便运算
(9+9²+9³)乘0.01的简便运算
(9+9²+9³)乘0.01的简便运算
[9*(1+9+81)]*0.01
=8.19
(9+9²+9³)×0.01
=(9×1+9×9+9×9×9)×0.01
=9×(1+9+9×9)×0.01
=9×91×0.01
=819×0.01
=8.19