5 加法 16 等于多少？

5 + 16 = 21

5加法16 等于 21

竖式演算

15+1621

验算

  • 用减法验算：21 − 16 = 5
  • 用减法验算：21 − 5 = 16

相关题目

5 + 15 = 20 5 + 17 = 22 5 + 14 = 19 5 + 18 = 23 5 + 13 = 18 5 + 19 = 24 5 + 20 = 25 5 + 12 = 17 4 + 16 = 20 6 + 16 = 22 3 + 16 = 19 7 + 16 = 23 2 + 16 = 18 8 + 16 = 24 1 + 16 = 17 9 + 16 = 25 1 + 20 = 21 2 + 19 = 21 3 + 18 = 21 4 + 17 = 21 6 + 15 = 21 7 + 14 = 21 49 + 15 = 64 23 + 49 = 72 27 + 64 = 91 7 + 3 = 10 38 + 9 = 47 82 + 96 = 178 70 - 49 = 21 7 × 3 = 21