margaritabev
margaritabev
19-04-2018
Mathematics
contestada
simplify
-5 1/4 - (-7 1/2)
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Аноним
Аноним
19-04-2018
[tex]-5 \dfrac{1}{4} - (-7 \dfrac{1}{2} ) = -5 \dfrac{1}{4} + 7 \dfrac{1}{2} =-5 \dfrac{1}{4} + 7 \dfrac{2}{4} = 7 \dfrac{2}{4} -5 \dfrac{1}{4} =2 \dfrac{1}{4}[/tex]
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