45 减法 30 等于多少?
45 - 30 = 15
45减法30 等于 15
竖式演算
验算
- 用加法验算:15 + 30 = 45
相关题目
45 - 29 = 16
45 - 31 = 14
45 - 28 = 17
45 - 32 = 13
45 - 33 = 12
45 - 27 = 18
45 - 34 = 11
45 - 26 = 19
44 - 30 = 14
46 - 30 = 16
43 - 30 = 13
47 - 30 = 17
42 - 30 = 12
48 - 30 = 18
49 - 30 = 19
41 - 30 = 11
16 - 1 = 15
17 - 2 = 15
18 - 3 = 15
19 - 4 = 15
20 - 5 = 15
21 - 6 = 15
84 - 60 = 24
98 - 28 = 70
99 - 36 = 63
37 - 36 = 1
86 - 16 = 70
7 + 8 = 15
1 × 15 = 15
5 + 10 = 15