89 减法 74 等于多少?
89 - 74 = 15
89减法74 等于 15
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- 用加法验算:15 + 74 = 89
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89 - 73 = 16
89 - 75 = 14
89 - 76 = 13
89 - 72 = 17
89 - 77 = 12
89 - 71 = 18
89 - 78 = 11
89 - 70 = 19
88 - 74 = 14
90 - 74 = 16
87 - 74 = 13
91 - 74 = 17
86 - 74 = 12
92 - 74 = 18
93 - 74 = 19
85 - 74 = 11
16 - 1 = 15
17 - 2 = 15
18 - 3 = 15
19 - 4 = 15
20 - 5 = 15
21 - 6 = 15
80 - 50 = 30
48 - 43 = 5
99 - 29 = 70
37 - 15 = 22
84 - 30 = 54
46 - 23 = 23
6 + 9 = 15
12 + 3 = 15