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
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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
21 + 91 = 112
8 + 79 = 87
18 + 22 = 40
26 + 93 = 119
39 + 21 = 60
24 + 38 = 62
3 × 34 = 102
17 × 6 = 102