2K9-(✎﹏ ΔΠGΣLS ΩҒ DΣΔTH )
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2022-12-30 20:33:59
2022-12-30 20:30:55
Diện tích mảnh đất là:
48 x 15 = 720 \(\left(m^2\right)\)
Diện tích làm nhà là:
720 x \(\dfrac{1}{6}\) = 120 \(\left(m^2\right)\)
2022-05-20 08:55:47
2022-05-04 14:28:18
2022-05-04 14:26:44
\(\left(\dfrac{1}{2}+\dfrac{4}{7}\right)-\left(\dfrac{3}{7}-\dfrac{3}{10}\right)\)
\(=\dfrac{1}{2}+\dfrac{4}{7}-\dfrac{3}{7}+\dfrac{3}{10}\)
\(=\left(\dfrac{1}{2}+\dfrac{3}{10}\right)+\left(\dfrac{4}{7}-\dfrac{3}{7}\right)\)
\(=\left(\dfrac{5}{10}+\dfrac{3}{10}\right)+\dfrac{1}{7}\)
\(=\dfrac{8}{10}+\dfrac{1}{7}\)
\(=\dfrac{4}{5}+\dfrac{1}{7}\)
\(=\dfrac{28}{35}+\dfrac{5}{35}\)
\(=\dfrac{33}{35}\)
2022-04-28 20:46:03
2022-04-01 00:00:00
2022-04-01 00:00:00
2022-03-29 00:00:00
2022-03-29 00:00:00