70 减法 1 等于多少?
70 - 1 = 69
70减法1 等于 69
竖式演算
验算
- 用加法验算:69 + 1 = 70
相关题目
70 - 2 = 68
70 - 3 = 67
70 - 4 = 66
70 - 5 = 65
70 - 6 = 64
70 - 7 = 63
70 - 8 = 62
70 - 9 = 61
69 - 1 = 68
71 - 1 = 70
68 - 1 = 67
72 - 1 = 71
67 - 1 = 66
73 - 1 = 72
74 - 1 = 73
66 - 1 = 65
71 - 2 = 69
72 - 3 = 69
73 - 4 = 69
74 - 5 = 69
75 - 6 = 69
76 - 7 = 69
93 - 77 = 16
83 - 34 = 49
80 - 49 = 31
80 - 76 = 4
30 - 24 = 6
81 - 2 = 79
36 + 33 = 69
69 × 1 = 69