89 减法 68 等于多少?
89 - 68 = 21
89减法68 等于 21
竖式演算
验算
- 用加法验算:21 + 68 = 89
相关题目
89 - 67 = 22
89 - 69 = 20
89 - 66 = 23
89 - 70 = 19
89 - 65 = 24
89 - 71 = 18
89 - 64 = 25
89 - 72 = 17
88 - 68 = 20
90 - 68 = 22
87 - 68 = 19
91 - 68 = 23
86 - 68 = 18
92 - 68 = 24
93 - 68 = 25
85 - 68 = 17
22 - 1 = 21
23 - 2 = 21
24 - 3 = 21
25 - 4 = 21
26 - 5 = 21
27 - 6 = 21
69 - 8 = 61
48 - 14 = 34
95 - 40 = 55
87 - 34 = 53
23 - 13 = 10
92 - 80 = 12
16 + 5 = 21
2 + 19 = 21