1 加法 17 等于多少？

1 + 17 = 18

1加法17 等于 18

竖式演算

1+1718

验算

  • 用减法验算：18 − 17 = 1
  • 用减法验算：18 − 1 = 17

相关题目

1 + 16 = 17 1 + 18 = 19 1 + 15 = 16 1 + 19 = 20 1 + 20 = 21 1 + 14 = 15 1 + 21 = 22 1 + 13 = 14 2 + 17 = 19 3 + 17 = 20 4 + 17 = 21 5 + 17 = 22 6 + 17 = 23 7 + 17 = 24 8 + 17 = 25 9 + 17 = 26 2 + 16 = 18 3 + 15 = 18 4 + 14 = 18 5 + 13 = 18 6 + 12 = 18 7 + 11 = 18 10 + 20 = 30 30 + 54 = 84 82 + 11 = 93 42 + 100 = 142 50 + 18 = 68 100 + 19 = 119 48 - 30 = 18 58 - 40 = 18