70 减法 49 等于多少？

70 - 49 = 21

70减法49 等于 21

竖式演算

61070-4921

验算

  • 用加法验算：21 + 49 = 70

相关题目

70 - 48 = 22 70 - 50 = 20 70 - 47 = 23 70 - 51 = 19 70 - 46 = 24 70 - 52 = 18 70 - 53 = 17 70 - 45 = 25 69 - 49 = 20 71 - 49 = 22 68 - 49 = 19 72 - 49 = 23 67 - 49 = 18 73 - 49 = 24 74 - 49 = 25 66 - 49 = 17 22 - 1 = 21 23 - 2 = 21 24 - 3 = 21 25 - 4 = 21 26 - 5 = 21 27 - 6 = 21 71 - 53 = 18 62 - 23 = 39 83 - 38 = 45 67 - 8 = 59 72 - 25 = 47 91 - 55 = 36 4 + 17 = 21 7 + 14 = 21