31 加法 77 等于多少？

31 + 77 = 108

31加法77 等于 108

竖式演算

131+77108

验算

  • 用减法验算：108 − 77 = 31
  • 用减法验算：108 − 31 = 77

相关题目

31 + 76 = 107 31 + 78 = 109 31 + 75 = 106 31 + 79 = 110 31 + 74 = 105 31 + 80 = 111 31 + 73 = 104 31 + 81 = 112 30 + 77 = 107 32 + 77 = 109 29 + 77 = 106 33 + 77 = 110 28 + 77 = 105 34 + 77 = 111 35 + 77 = 112 27 + 77 = 104 8 + 100 = 108 9 + 99 = 108 10 + 98 = 108 11 + 97 = 108 12 + 96 = 108 13 + 95 = 108 70 + 36 = 106 79 + 40 = 119 56 + 62 = 118 55 + 17 = 72 63 + 93 = 156 20 + 90 = 110 54 × 2 = 108 12 × 9 = 108