78 减法 1 等于多少？

78 - 1 = 77

78减法1 等于 77

竖式演算

78-177

验算

  • 用加法验算：77 + 1 = 78

相关题目

78 - 2 = 76 78 - 3 = 75 78 - 4 = 74 78 - 5 = 73 78 - 6 = 72 78 - 7 = 71 78 - 8 = 70 78 - 9 = 69 77 - 1 = 76 79 - 1 = 78 76 - 1 = 75 80 - 1 = 79 75 - 1 = 74 81 - 1 = 80 74 - 1 = 73 82 - 1 = 81 79 - 2 = 77 80 - 3 = 77 81 - 4 = 77 82 - 5 = 77 83 - 6 = 77 84 - 7 = 77 97 - 73 = 24 55 - 2 = 53 62 - 40 = 22 78 - 72 = 6 52 - 20 = 32 59 - 38 = 21 58 + 19 = 77 75 + 2 = 77