83 减法 68 等于多少？
83 - 68 = 15
83减法68 等于 15
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验算
- 用加法验算：15 + 68 = 83
相关题目
83 - 67 = 16
83 - 69 = 14
83 - 66 = 17
83 - 70 = 13
83 - 65 = 18
83 - 71 = 12
83 - 64 = 19
83 - 72 = 11
82 - 68 = 14
84 - 68 = 16
81 - 68 = 13
85 - 68 = 17
80 - 68 = 12
86 - 68 = 18
87 - 68 = 19
79 - 68 = 11
16 - 1 = 15
17 - 2 = 15
18 - 3 = 15
19 - 4 = 15
20 - 5 = 15
21 - 6 = 15
70 - 21 = 49
93 - 35 = 58
21 - 14 = 7
60 - 23 = 37
90 - 11 = 79
53 - 38 = 15
7 + 8 = 15
12 + 3 = 15