38 加法 21 等于多少？

38 + 21 = 59

38加法21 等于 59

竖式演算

38+2159

验算

  • 用减法验算：59 − 21 = 38
  • 用减法验算：59 − 38 = 21

相关题目

38 + 20 = 58 38 + 22 = 60 38 + 19 = 57 38 + 23 = 61 38 + 24 = 62 38 + 18 = 56 38 + 25 = 63 38 + 17 = 55 37 + 21 = 58 39 + 21 = 60 40 + 21 = 61 36 + 21 = 57 41 + 21 = 62 35 + 21 = 56 42 + 21 = 63 34 + 21 = 55 1 + 58 = 59 2 + 57 = 59 3 + 56 = 59 4 + 55 = 59 5 + 54 = 59 6 + 53 = 59 44 + 100 = 144 55 + 13 = 68 45 + 3 = 48 28 + 31 = 59 24 + 63 = 87 10 + 28 = 38 79 - 20 = 59 93 - 34 = 59