19 加法 72 等于多少？
19 + 72 = 91
19加法72 等于 91
竖式演算
验算
- 用减法验算：91 − 72 = 19
- 用减法验算：91 − 19 = 72
相关题目
19 + 71 = 90
19 + 73 = 92
19 + 74 = 93
19 + 70 = 89
19 + 75 = 94
19 + 69 = 88
19 + 76 = 95
19 + 68 = 87
20 + 72 = 92
18 + 72 = 90
21 + 72 = 93
17 + 72 = 89
22 + 72 = 94
16 + 72 = 88
23 + 72 = 95
15 + 72 = 87
1 + 90 = 91
2 + 89 = 91
3 + 88 = 91
4 + 87 = 91
5 + 86 = 91
6 + 85 = 91
71 + 71 = 142
20 + 96 = 116
19 + 53 = 72
35 + 72 = 107
68 + 7 = 75
92 + 44 = 136
98 - 7 = 91
91 × 1 = 91