21 加法 98 等于多少？
21 + 98 = 119
21加法98 等于 119
竖式演算
验算
- 用减法验算：119 − 98 = 21
- 用减法验算：119 − 21 = 98
相关题目
21 + 97 = 118
21 + 99 = 120
21 + 96 = 117
21 + 100 = 121
21 + 95 = 116
21 + 94 = 115
21 + 93 = 114
21 + 92 = 113
20 + 98 = 118
22 + 98 = 120
19 + 98 = 117
23 + 98 = 121
24 + 98 = 122
18 + 98 = 116
25 + 98 = 123
17 + 98 = 115
19 + 100 = 119
20 + 99 = 119
22 + 97 = 119
23 + 96 = 119
24 + 95 = 119
25 + 94 = 119
7 + 5 = 12
41 + 87 = 128
63 + 60 = 123
44 + 63 = 107
35 + 18 = 53
85 + 74 = 159
7 × 17 = 119
17 × 7 = 119