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Tuyet Anh Lai
Giới thiệu về bản thân
Chào mừng bạn đến với trang cá nhân của Tuyet Anh Lai
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![](https://rs.olm.vn/images/medal_thong_thai.png)
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![](https://rs.olm.vn/images/medal_dai_kien_tuong.png)
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0
2022-11-20 08:28:46
2022-11-19 20:23:31
= 25*(30 + 70)
= 25*100
= 2500
2022-11-19 20:18:40
= 2*(345 - 107)
= 2*238
= 476
(Dấu * này là dấu nhân nha bạn)
2022-11-19 19:47:04
2022-11-19 19:42:07
= 542*(68 - 28)
= 542*40
= 21680
= 789*101 - 789*1
= 789*(101 - 1)
= 789*100
= 78900
2022-11-19 19:34:52
56 dm2
1300 dm2
2035 cm2
56 m2 78 dm2