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B = -25/13 + -9/17 + 12/13 + [ -25/17 ]
= [ -25/13 + 12/13 ] + [ -9/17 + -25/17 ]
= -1 + -2
= -3
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` @ \color{Red}{m}`
` \color{lightblue}{Answer}`
`6/25 -17/13 + 44/25 + 4/13`
`= (6/25 +44/25) +(-17/13 + 4/13)`
`= 50/25 + (-13/13)`
`= 2 + (-1)`
`=1`
6/25 - 17/13 + 44 / 25 + 4/13
= 6/25 + 44/25 - 17/13 + 4/13
= 50/25 - 13/13
= 2 - 1
= 1
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{10}{17}-\frac{5}{13}+\frac{7}{17}+\frac{-8}{13}-\frac{11}{25}\)
\(=\left(\frac{10}{17}+\frac{7}{17}\right)-\left(\frac{5}{13}+\frac{8}{13}\right)-\frac{11}{25}\)
\(=1-1-\frac{11}{25}\)
\(=-\frac{11}{25}\)
\(=\left(\frac{10}{17}+\frac{7}{17}\right)-\left(\frac{5}{13}-\frac{-8}{13}\right)-\frac{11}{25}\)
\(=\frac{10+7}{17}-\frac{5-\left(-8\right)}{13}-\frac{11}{25}\)
\(=1-1-\frac{11}{25}\)
\(=0-\frac{11}{25}\)
\(=\frac{-11}{25}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\dfrac{10}{17}-\dfrac{5}{13}-\dfrac{-7}{17}-\dfrac{8}{13}+\dfrac{11}{25}\)
\(=\left(\dfrac{10}{17}+\dfrac{7}{17}\right)-\left(\dfrac{5}{13}+\dfrac{8}{13}\right)+\dfrac{11}{25}\)
\(=1-1+\dfrac{11}{25}=\dfrac{11}{25}\)
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![](https://rs.olm.vn/images/avt/0.png?1311)
\(-\frac{17}{13}+\left(\frac{25}{101}+\frac{4}{13}\right)\)
\(=-\frac{17}{13}+\frac{25}{101}+\frac{4}{13}\)
\(=\left(-\frac{17}{13}+\frac{4}{13}\right)+\frac{25}{101}\)
\(=1+\frac{25}{101}=\frac{126}{101}\)
\(-\frac{17}{13}+\left(\frac{25}{101}+\frac{4}{13}\right)\)
\(=-\frac{17}{13}+\frac{739}{1313}=-\frac{76}{101}\)
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