8 加法 4 等于多少？

8 + 4 = 12

8加法4 等于 12

竖式演算

18+412

验算

  • 用减法验算：12 − 4 = 8
  • 用减法验算：12 − 8 = 4

相关题目

8 + 3 = 11 8 + 5 = 13 8 + 2 = 10 8 + 6 = 14 8 + 1 = 9 8 + 7 = 15 8 + 8 = 16 8 + 9 = 17 7 + 4 = 11 9 + 4 = 13 6 + 4 = 10 10 + 4 = 14 11 + 4 = 15 5 + 4 = 9 12 + 4 = 16 4 + 4 = 8 1 + 11 = 12 2 + 10 = 12 3 + 9 = 12 4 + 8 = 12 5 + 7 = 12 6 + 6 = 12 42 + 60 = 102 82 + 71 = 153 53 + 19 = 72 14 + 29 = 43 12 + 59 = 71 54 + 8 = 62 32 - 20 = 12 51 - 39 = 12