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  • 25-10-2016
  • Mathematics
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Unlike fractions. 18/25 - 3/5 and 1/3 + 2/15 and 9/10 + 31/80

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Аноним Аноним
  • 25-10-2016

18/25 - 3/5

=18/25 - 15/25

=3/25

 

1/3 + 2/15

=5/15 + 2/15

= 7/15


9/10 + 31/80

=72/80 + 31/80

=103/80

=1 23/80


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Аноним Аноним
  • 25-10-2016
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