23 加法 15 等于多少？

23 + 15 = 38

23加法15 等于 38

竖式演算

23+1538

验算

  • 用减法验算：38 − 15 = 23
  • 用减法验算：38 − 23 = 15

相关题目

23 + 14 = 37 23 + 16 = 39 23 + 13 = 36 23 + 17 = 40 23 + 12 = 35 23 + 18 = 41 23 + 11 = 34 23 + 19 = 42 22 + 15 = 37 24 + 15 = 39 21 + 15 = 36 25 + 15 = 40 20 + 15 = 35 26 + 15 = 41 19 + 15 = 34 27 + 15 = 42 1 + 37 = 38 2 + 36 = 38 3 + 35 = 38 4 + 34 = 38 5 + 33 = 38 6 + 32 = 38 45 + 31 = 76 53 + 100 = 153 84 + 12 = 96 26 + 42 = 68 13 + 30 = 43 24 + 40 = 64 19 × 2 = 38 38 × 1 = 38