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0
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![](https://rs.olm.vn/images/medal_ngoi_sao.png)
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![](https://rs.olm.vn/images/medal_win_1.png)
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![](https://rs.olm.vn/images/medal_thong_thai.png)
![](https://rs.olm.vn/images/medal_ngoi_sao.png)
![](https://rs.olm.vn/images/medal_ngoi_sao.png)
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![](https://rs.olm.vn/images/medal_ngoi_sao.png)
![](https://rs.olm.vn/images/medal_ngoi_sao.png)
![](https://rs.olm.vn/images/medal_win_1.png)
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![](https://rs.olm.vn/images/medal_dai_kien_tuong.png)
![](https://rs.olm.vn/images/medal_ngoi_sao.png)
![](https://rs.olm.vn/images/medal_ngoi_sao.png)
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0
2024-04-25 17:50:11
-1521 nha bạn
2024-04-25 17:38:21
Giải
Ta lấy 1:4×100=25%
Vậy tỉ số phần trăm của 2 số 1 và 4 là 25%
Chúc b học tốt
2024-04-25 13:28:05
-3/7 -1/4*3/7+3/7*5/4
=3/7*0
=0
Chúc b hoc tot...
2024-04-25 13:25:13
Kết quả là 10 giờ 30 phút nha bạn
Chc b học tốt..