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速算(3) P1 雙位數的進位加法

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  • 14 + 27 =
    41
  • 66 + 28 =
    94
  • 63 + 27 =
    90
  • 13 + 47 =
    60
  • 19 + 17 =
    36
  • 27 + 9 =
    36
  • 15 + 76 =
    81
  • 35 + 18 =
    43
  • 38 + 56 =
    94
  • 66 + 19 =
    75
  • 42 + 69 =
    91
  • 25 + 29 =
    54
  • 29 + 43 =
    61
  • 88 + 6 =
    94
  • 19 + 65 =
    74
  • 34 + 58 = 
    92
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