1 加法 18 等于多少？

1 + 18 = 19

1加法18 等于 19

竖式演算

1+1819

验算

  • 用减法验算：19 − 18 = 1
  • 用减法验算：19 − 1 = 18

相关题目

1 + 17 = 18 1 + 19 = 20 1 + 20 = 21 1 + 16 = 17 1 + 21 = 22 1 + 15 = 16 1 + 22 = 23 1 + 14 = 15 2 + 18 = 20 3 + 18 = 21 4 + 18 = 22 5 + 18 = 23 6 + 18 = 24 7 + 18 = 25 8 + 18 = 26 9 + 18 = 27 2 + 17 = 19 3 + 16 = 19 4 + 15 = 19 5 + 14 = 19 6 + 13 = 19 7 + 12 = 19 100 + 37 = 137 25 + 21 = 46 1 + 76 = 77 22 + 15 = 37 56 + 10 = 66 25 + 70 = 95 46 - 27 = 19 72 - 53 = 19