45.23_13.74+21.28怎样简便算
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解决时间 2021-03-22 04:12
- 提问者网友：半生酒醒
- 2021-03-21 22:04
45.23_13.74+21.28怎样简便算
最佳答案
- 五星知识达人网友：愁杀梦里人
- 2021-03-21 23:21
45.23_13.74+21.28
=45.23+21.28-13.74
=(45.22+21.28-0.1)-13.74
=(66.5-0.1)-13.74
=66.4-13.74
=66.4-13.4-0.34
=53-0.34
=52.66
=45.23+21.28-13.74
=(45.22+21.28-0.1)-13.74
=(66.5-0.1)-13.74
=66.4-13.74
=66.4-13.4-0.34
=53-0.34
=52.66
全部回答
- 1楼网友：你哪知我潦倒为你
- 2021-03-22 00:10
45.23-13.74+21.28
=45.23-(14-0.26)+21.28
=45.23-14+0.26+21.28
=31.23+0.26+21.28
=31.49+21.28
=52.77
=45.23-(14-0.26)+21.28
=45.23-14+0.26+21.28
=31.23+0.26+21.28
=31.49+21.28
=52.77
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