0.45乘9.8怎样简便计算
答案:4 悬赏:10 手机版
解决时间 2021-11-09 18:27
- 提问者网友:niaiwoma
- 2021-11-09 07:12
0.45乘9.8怎样简便计算
最佳答案
- 五星知识达人网友:底特律间谍
- 2021-11-09 08:44
0.45乘9.8
=0.45×(10-0.2)
=0.45×10-0.45×0.2
=4.5-0.09
=4.41
=0.45×(10-0.2)
=0.45×10-0.45×0.2
=4.5-0.09
=4.41
全部回答
- 1楼网友:爱难随人意
- 2021-11-09 10:08
你好!解答如下:
0.45×9.8=4.41
=0.45×(10-0.2)
=0.45×10-0.45×0.2
=4.5-0.09
=4.41
0.45×9.8=4.41
=0.45×(10-0.2)
=0.45×10-0.45×0.2
=4.5-0.09
=4.41
- 2楼网友:纵马山川剑自提
- 2021-11-09 09:56
0.45x9.8
=0.45x(10-0.2)
=0.45x10-0.45x0.2
=4.5-0.09
=4.41
=0.45x(10-0.2)
=0.45x10-0.45x0.2
=4.5-0.09
=4.41
- 3楼网友:怙棘
- 2021-11-09 09:08
0.45×9.8
=0.45×(10-0.2)
=0.45×10-0.45×0.2
=4.5-0.09
=4.41
=0.45×(10-0.2)
=0.45×10-0.45×0.2
=4.5-0.09
=4.41
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