shortynergritaoxqa5j
shortynergritaoxqa5j shortynergritaoxqa5j
  • 18-05-2020
  • Mathematics
contestada

addition and subtraction find the missing number in each pattern 1,5,9 blank 17,21



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Respuesta :

adahbealey
adahbealey adahbealey
  • 18-05-2020
the number is 13



explained :
everytime the pattern goes on, you add 4. in conclusion, 9+4=13
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