juliantorres080
juliantorres080 juliantorres080
  • 03-07-2018
  • Mathematics
contestada

what number is needed to complete the pattern 66 73 13 21 52 _10 20

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Lauren1176
Lauren1176 Lauren1176
  • 03-07-2018
The answer is 61.

66 + 7 = 73
13 + 8 = 21
52 + 9 = 61 (The answer)
10 + 10 = 20
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