30 减法 13 等于多少？

30 - 13 = 17

30减法13 等于 17

竖式演算

21030-1317

验算

  • 用加法验算：17 + 13 = 30

相关题目

30 - 12 = 18 30 - 14 = 16 30 - 11 = 19 30 - 15 = 15 30 - 10 = 20 30 - 16 = 14 30 - 17 = 13 30 - 9 = 21 29 - 13 = 16 31 - 13 = 18 32 - 13 = 19 28 - 13 = 15 33 - 13 = 20 27 - 13 = 14 34 - 13 = 21 26 - 13 = 13 18 - 1 = 17 19 - 2 = 17 20 - 3 = 17 21 - 4 = 17 22 - 5 = 17 23 - 6 = 17 81 - 12 = 69 61 - 57 = 4 62 - 44 = 18 96 - 47 = 49 91 - 34 = 57 8 + 9 = 17 5 + 12 = 17 17 × 1 = 17