Akells1 Akells1
  • 22-11-2016
  • Mathematics
contestada

write a double fact you can use to find the sum 5+4, 6+7, 8+9

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Аноним Аноним
  • 22-11-2016
5+4=9
6+7=13
8+9=17
9+13=22
17+22=39
=39
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