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Nguyễn Minh Thắng
Giới thiệu về bản thân
lô\n
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2023-05-08 22:03:49
\(\Leftrightarrow\Rightarrow\Leftarrow\rightarrow\leftarrow\leftrightarrow\uparrow\downarrow\)
2023-05-08 18:24:18
2023-05-08 18:24:14
2023-05-08 18:23:50
2023-05-08 18:11:41
2023-05-08 18:10:58
2023-05-06 14:49:24
\(93-45=?\)
2023-05-06 14:45:14
tick đi
2023-05-06 14:44:15
\(bạncóbiếtsốlớnhơnmườinhỏhơnhai?\)
2023-04-20 21:22:24
Ta có : SACD = \(\dfrac{5}{3}\)SABC (vì có đường cao đều là đường cao hình thang ABCD và CD = \(\dfrac{5}{3}\))
Vậy diện tích tam giác ABC là:
96 : (5 + 3) × 3 = 36 (cm\(^2\))
Đ/S : 36 cm\(^2\)