1 加法 77 等于多少？

1 + 77 = 78

1加法77 等于 78

竖式演算

1+7778

验算

  • 用减法验算：78 − 77 = 1
  • 用减法验算：78 − 1 = 77

相关题目

1 + 76 = 77 1 + 78 = 79 1 + 75 = 76 1 + 79 = 80 1 + 74 = 75 1 + 80 = 81 1 + 73 = 74 1 + 81 = 82 2 + 77 = 79 3 + 77 = 80 4 + 77 = 81 5 + 77 = 82 6 + 77 = 83 7 + 77 = 84 8 + 77 = 85 9 + 77 = 86 2 + 76 = 78 3 + 75 = 78 4 + 74 = 78 5 + 73 = 78 6 + 72 = 78 7 + 71 = 78 41 + 4 = 45 72 + 13 = 85 1 + 61 = 62 25 + 61 = 86 31 + 27 = 58 57 + 20 = 77 99 - 21 = 78 89 - 11 = 78