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 82 + 10 = 92 90 + 2 = 92 49 + 30 = 79 11 + 36 = 47 24 + 15 = 39 12 + 1 = 13 90 - 41 = 49 78 - 29 = 49