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Cái này bạn viết sai đề bài r, sau viết dấu cho nghiêm túc nhé. Đáp án C
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`a) 48048 - 48048 : 24 - 24 x 58 `
` = 48048 - 2002- 1392`
` = 46046 - 1392`
` = 44654`
b) 10000 - ( 93120 : 24 - 24 x 57 )
` = 10000 - ( 3880 - 1368)`
` = 10000 - 2512`
` = 7488`
c) 100798 - 9894 : 34 x 23 - 23 =
` = 100798 - 6693 -23`
` = 94082`
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a) \(\dfrac{17}{24}\times\dfrac{3}{51}=\dfrac{51}{1224}=\dfrac{1}{24}\)
b) \(\dfrac{6}{7}\div\dfrac{24}{49}-\dfrac{1}{24}\)
\(=\dfrac{7}{4}-\dfrac{1}{24}=\dfrac{41}{24}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(G=\dfrac{7}{8}+\dfrac{11}{24}+\dfrac{5}{8}+\dfrac{23}{24}+\dfrac{11}{8}+\dfrac{13}{24}\\ \Rightarrow G=\left(\dfrac{7}{8}+\dfrac{5}{8}+\dfrac{11}{8}\right)+\left(\dfrac{11}{24}+\dfrac{23}{24}+\dfrac{13}{24}\right)\\ \Rightarrow G=\dfrac{23}{8}+\dfrac{47}{24}\\ \Rightarrow G=\dfrac{69}{24}+\dfrac{47}{24}\\ \Rightarrow G=\dfrac{116}{24}\\ \Rightarrow G=\dfrac{29}{6}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(G=\dfrac{9}{8}+\dfrac{23}{24}+\dfrac{1}{8}+\dfrac{17}{24}+\dfrac{13}{8}+\dfrac{19}{24}\\ \Rightarrow G=\left(\dfrac{9}{8}+\dfrac{1}{8}+\dfrac{13}{8}\right)+\left(\dfrac{23}{24}+\dfrac{17}{24}+\dfrac{19}{24}\right)\\ \Rightarrow G=\dfrac{23}{8}+\dfrac{59}{24}\\ \Rightarrow G=\dfrac{69}{24}+\dfrac{59}{24}\\ \Rightarrow G=\dfrac{128}{24}\\ \Rightarrow G=\dfrac{16}{3}\)
\(=\left(\dfrac{9}{8}+\dfrac{1}{8}+\dfrac{13}{8}\right)+\left(\dfrac{23}{24}+\dfrac{17}{24}+\dfrac{19}{24}\right)\)
\(=\dfrac{23}{8}+\dfrac{59}{24}\)
\(=\dfrac{16}{3}\)
\(24=24\)
24 năm, 24 tháng, 24 ngày, 24 giờ, 24 phút, 24 giây