8 加法 12 等于多少？

8 + 12 = 20

8加法12 等于 20

竖式演算

18+1220

验算

  • 用减法验算：20 − 12 = 8
  • 用减法验算：20 − 8 = 12

相关题目

8 + 11 = 19 8 + 13 = 21 8 + 10 = 18 8 + 14 = 22 8 + 15 = 23 8 + 9 = 17 8 + 16 = 24 8 + 8 = 16 7 + 12 = 19 9 + 12 = 21 6 + 12 = 18 10 + 12 = 22 11 + 12 = 23 5 + 12 = 17 12 + 12 = 24 4 + 12 = 16 1 + 19 = 20 2 + 18 = 20 3 + 17 = 20 4 + 16 = 20 5 + 15 = 20 6 + 14 = 20 3 + 7 = 10 50 + 79 = 129 82 + 56 = 138 9 + 67 = 76 69 + 21 = 90 33 + 75 = 108 33 - 13 = 20 41 - 21 = 20