42 加法 48 等于多少？
42 + 48 = 90
42加法48 等于 90
竖式演算
验算
- 用减法验算：90 − 48 = 42
- 用减法验算：90 − 42 = 48
相关题目
42 + 47 = 89
42 + 49 = 91
42 + 46 = 88
42 + 50 = 92
42 + 51 = 93
42 + 45 = 87
42 + 52 = 94
42 + 44 = 86
41 + 48 = 89
43 + 48 = 91
40 + 48 = 88
44 + 48 = 92
39 + 48 = 87
45 + 48 = 93
38 + 48 = 86
46 + 48 = 94
1 + 89 = 90
2 + 88 = 90
3 + 87 = 90
4 + 86 = 90
5 + 85 = 90
6 + 84 = 90
16 + 16 = 32
27 + 81 = 108
36 + 70 = 106
43 + 90 = 133
28 + 29 = 57
66 + 4 = 70
10 × 9 = 90
9 × 10 = 90