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Nguyễn Đình An
Giới thiệu về bản thân
Chào mừng các bạn đã ghé thăm trang cá nhân của mình !
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2022-06-19 09:02:02
Nửa CV là: 28 : 2 = 14 cm
CR của HCN là: 14 - 8= 6 cm
S hcn là: \(8\cdot6=48cm^2\)
2022-05-08 22:39:01
420 góc
2022-04-29 23:08:25
2022-04-23 09:35:01
20219 : 37 = 546 dư 17