74 加法 15 等于多少？
74 + 15 = 89
74加法15 等于 89
竖式演算
验算
- 用减法验算：89 − 15 = 74
- 用减法验算：89 − 74 = 15
相关题目
74 + 14 = 88
74 + 16 = 90
74 + 13 = 87
74 + 17 = 91
74 + 12 = 86
74 + 18 = 92
74 + 11 = 85
74 + 19 = 93
73 + 15 = 88
75 + 15 = 90
76 + 15 = 91
72 + 15 = 87
77 + 15 = 92
71 + 15 = 86
78 + 15 = 93
70 + 15 = 85
1 + 88 = 89
2 + 87 = 89
3 + 86 = 89
4 + 85 = 89
5 + 84 = 89
6 + 83 = 89
71 + 1 = 72
70 + 24 = 94
25 + 24 = 49
61 + 15 = 76
12 + 31 = 43
15 + 52 = 67
98 - 9 = 89
96 - 7 = 89