15 加法 75 等于多少？
15 + 75 = 90
15加法75 等于 90
竖式演算
验算
- 用减法验算：90 − 75 = 15
- 用减法验算：90 − 15 = 75
相关题目
15 + 74 = 89
15 + 76 = 91
15 + 73 = 88
15 + 77 = 92
15 + 78 = 93
15 + 72 = 87
15 + 79 = 94
15 + 71 = 86
14 + 75 = 89
16 + 75 = 91
13 + 75 = 88
17 + 75 = 92
12 + 75 = 87
18 + 75 = 93
11 + 75 = 86
19 + 75 = 94
1 + 89 = 90
2 + 88 = 90
3 + 87 = 90
4 + 86 = 90
5 + 85 = 90
6 + 84 = 90
58 + 14 = 72
38 + 37 = 75
68 + 4 = 72
93 + 45 = 138
29 + 90 = 119
96 + 10 = 106
96 - 6 = 90
2 × 45 = 90