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2023-12-31 20:10:35
mình tính ra bằng 3,28 đấy !
2023-12-31 10:53:50
2023-12-31 10:52:49
2023-12-31 10:52:19
2023-12-31 10:51:26
a) Ba cạnh bằng nhau: AB = BC = CA;
Ba góc ở các đỉnh A, B, C bằng nhau.
b) HS vẽ đúng hình.
2023-12-31 10:50:55
2023-12-31 10:50:25
2023-12-31 10:46:56
a) 8: VIII ; 15: XV ; 24: XXIV
b) Các bội nhỏ hơn 10 của số 3 là : 0;3;6;9
2023-12-28 21:40:44
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