15 加法 89 等于多少？

15 + 89 = 104

15加法89 等于 104

竖式演算

1115+89104

验算

  • 用减法验算：104 − 89 = 15
  • 用减法验算：104 − 15 = 89

相关题目

15 + 88 = 103 15 + 90 = 105 15 + 87 = 102 15 + 91 = 106 15 + 92 = 107 15 + 86 = 101 15 + 93 = 108 15 + 85 = 100 14 + 89 = 103 16 + 89 = 105 13 + 89 = 102 17 + 89 = 106 12 + 89 = 101 18 + 89 = 107 11 + 89 = 100 19 + 89 = 108 4 + 100 = 104 5 + 99 = 104 6 + 98 = 104 7 + 97 = 104 8 + 96 = 104 9 + 95 = 104 47 + 96 = 143 64 + 89 = 153 49 + 64 = 113 84 + 17 = 101 79 + 26 = 105 98 + 48 = 146 13 × 8 = 104 4 × 26 = 104