4 加法 45 等于多少？

4 + 45 = 49

4加法45 等于 49

竖式演算

4+4549

验算

  • 用减法验算：49 − 45 = 4
  • 用减法验算：49 − 4 = 45

相关题目

4 + 44 = 48 4 + 46 = 50 4 + 47 = 51 4 + 43 = 47 4 + 48 = 52 4 + 42 = 46 4 + 49 = 53 4 + 41 = 45 3 + 45 = 48 5 + 45 = 50 2 + 45 = 47 6 + 45 = 51 1 + 45 = 46 7 + 45 = 52 8 + 45 = 53 9 + 45 = 54 1 + 48 = 49 2 + 47 = 49 3 + 46 = 49 5 + 44 = 49 6 + 43 = 49 7 + 42 = 49 35 + 14 = 49 42 + 25 = 67 44 + 13 = 57 51 + 25 = 76 66 + 22 = 88 46 + 32 = 78 66 - 17 = 49 56 - 7 = 49