15-12.68+7.28简便计算,5.32×0.99简便计算,13.7×0.75+2.5×1.37
答案:1 悬赏:10 手机版
解决时间 2021-03-06 20:28
- 提问者网友:浮克旳回音
- 2021-03-05 20:46
15-12.68+7.28简便计算,5.32×0.99简便计算,13.7×0.75+2.5×1.37
最佳答案
- 五星知识达人网友:思契十里
- 2021-03-05 22:16
15-12.68+7.28
=15-(12.68-7.28)
=15-5.4
=9.6
5.32×0.99
=5.32*(1-0.01)
=5.32*1-5.32*0.01
=5.32-0.0532
=5.2668
13.7×0.75+2.5×1.37
=13.7*(0.75+0.25)
=13.7*1
=13.7追问我已经会做了,,谢谢啦!
=15-(12.68-7.28)
=15-5.4
=9.6
5.32×0.99
=5.32*(1-0.01)
=5.32*1-5.32*0.01
=5.32-0.0532
=5.2668
13.7×0.75+2.5×1.37
=13.7*(0.75+0.25)
=13.7*1
=13.7追问我已经会做了,,谢谢啦!
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