50 减法 48 等于多少?
50 - 48 = 2
50减法48 等于 2
竖式演算
验算
- 用加法验算:2 + 48 = 50
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50 - 47 = 3
50 - 49 = 1
50 - 46 = 4
50 - 50 = 0
50 - 45 = 5
50 - 44 = 6
50 - 43 = 7
50 - 42 = 8
49 - 48 = 1
51 - 48 = 3
48 - 48 = 0
52 - 48 = 4
53 - 48 = 5
54 - 48 = 6
55 - 48 = 7
56 - 48 = 8
3 - 1 = 2
4 - 2 = 2
5 - 3 = 2
6 - 4 = 2
7 - 5 = 2
8 - 6 = 2
42 - 3 = 39
74 - 39 = 35
27 - 8 = 19
84 - 75 = 9
26 - 17 = 9
72 - 35 = 37
2 × 1 = 2
1 × 2 = 2