Seudónimo Seudónimo
  • 26-04-2016
  • Mathematics
contestada

when you add 9 to me, the sum is the same as 10 + 10

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Аноним Аноним
  • 26-04-2016
11 is the answer.
10+10=20
20-9=11
11+9=20
11
Answer Link
xAsianPersuasionx
xAsianPersuasionx xAsianPersuasionx
  • 26-04-2016
10+10 equals 20

blank+9 equals 20

9+11 equals 20

Answer=11
Answer Link

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