finnweihl
finnweihl
21-08-2014
Mathematics
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5 2/3 divided by -1 2/15
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Аноним
Аноним
24-08-2014
[tex]5\frac{2}{3}:(-1\frac{2}{15})=\frac{5\times3+2}{3}:(-\frac{1\times15+2}{15})=\frac{15+2}{3}:(-\frac{15+2}{15})\\\\=\frac{17}{3}:(-\frac{17}{15})=\frac{17}{3}\times(-\frac{15}{17})=\frac{1}{3}\times(-\frac{15}{1})=-\frac{15}{3}=-5[/tex]
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