42 减法 30 等于多少？

42 - 30 = 12

42减法30 等于 12

竖式演算

42-3012

验算

  • 用加法验算：12 + 30 = 42

相关题目

42 - 29 = 13 42 - 31 = 11 42 - 28 = 14 42 - 32 = 10 42 - 33 = 9 42 - 27 = 15 42 - 34 = 8 42 - 26 = 16 41 - 30 = 11 43 - 30 = 13 40 - 30 = 10 44 - 30 = 14 39 - 30 = 9 45 - 30 = 15 46 - 30 = 16 38 - 30 = 8 13 - 1 = 12 14 - 2 = 12 15 - 3 = 12 16 - 4 = 12 17 - 5 = 12 18 - 6 = 12 86 - 81 = 5 85 - 54 = 31 77 - 27 = 50 45 - 40 = 5 49 - 18 = 31 42 - 21 = 21 12 × 1 = 12 9 + 3 = 12