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การบวกเลข

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  • 55+23=?
    78
  • 82+12=?
    94
  • 72+11=?
    83
  • 25+22=?
    47
  • 24+15=?
    39
  • 8+0=?
    8
  • 2+7=?
    9
  • 51+15=?
    66
  • 41+7=?
    48
  • 28+20=?
    48
  • 8+1=?
    9
  • 50+20=?
    70
  • 5+3=?
    8
  • 40+9=?
    49
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