70 减法 30 等于多少？

70 - 30 = 40

70减法30 等于 40

竖式演算

70-3040

验算

  • 用加法验算：40 + 30 = 70

相关题目

70 - 29 = 41 70 - 31 = 39 70 - 28 = 42 70 - 32 = 38 70 - 33 = 37 70 - 27 = 43 70 - 34 = 36 70 - 26 = 44 69 - 30 = 39 71 - 30 = 41 68 - 30 = 38 72 - 30 = 42 67 - 30 = 37 73 - 30 = 43 66 - 30 = 36 74 - 30 = 44 41 - 1 = 40 42 - 2 = 40 43 - 3 = 40 44 - 4 = 40 45 - 5 = 40 46 - 6 = 40 65 - 33 = 32 66 - 6 = 60 39 - 22 = 17 23 - 22 = 1 37 - 26 = 11 73 - 21 = 52 28 + 12 = 40 25 + 15 = 40