30 加法 72 等于多少？
30 + 72 = 102
30加法72 等于 102
竖式演算
验算
- 用减法验算：102 − 72 = 30
- 用减法验算：102 − 30 = 72
相关题目
30 + 71 = 101
30 + 73 = 103
30 + 74 = 104
30 + 70 = 100
30 + 75 = 105
30 + 69 = 99
30 + 76 = 106
30 + 68 = 98
29 + 72 = 101
31 + 72 = 103
28 + 72 = 100
32 + 72 = 104
33 + 72 = 105
27 + 72 = 99
34 + 72 = 106
26 + 72 = 98
2 + 100 = 102
3 + 99 = 102
4 + 98 = 102
5 + 97 = 102
6 + 96 = 102
7 + 95 = 102
19 + 34 = 53
72 + 44 = 116
60 + 59 = 119
48 + 38 = 86
46 + 29 = 75
34 + 27 = 61
3 × 34 = 102
2 × 51 = 102