4.28×9.9简便计算
答案:2 悬赏:20 手机版
解决时间 2021-01-23 12:04
- 提问者网友:你独家记忆
- 2021-01-22 23:59
4.28×9.9简便计算
最佳答案
- 五星知识达人网友:青尢
- 2021-01-23 01:23
4.28×9.9简便计算
=4.28×(10-0.1)
=4.28×10-4.28×0.1
=42.8-0.428
=42.372
=4.28×(10-0.1)
=4.28×10-4.28×0.1
=42.8-0.428
=42.372
全部回答
- 1楼网友:醉吻情书
- 2021-01-23 01:47
=4.28*(10-0.1)
=4.28*10-4.28*0.1
=42.8-0.428
=42.372
=4.28*10-4.28*0.1
=42.8-0.428
=42.372
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