102×0.45怎么简便
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/16 15:45:52
x)340:<@YCߓ5<ٷ&H~
Q<{:
BjY@~qAbp0
1B&
$j-ai!=FLj WG
102×0.45怎么简便
102×0.45怎么简便
102×0.45怎么简便
102×0.45
=(100+2)*0.45
=45+0.9
=45.9
102×0.45
=(100+2)×0.45
=45 +0.9
=45.9
102×0.45=(100+2)×0.45=100×0.45+2×0.45=45+0.9=45.9
102×0.45
=(100+2)×0.45
=100×0.45+2×0.45
=45 +0.9
=45.9
102×0.45
=(100+2)×0.45
=100×0.45+2×0.45
=45 +0.9
=45.9