74 减法 70 等于多少？
74 - 70 = 4
74减法70 等于 4
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验算
- 用加法验算：4 + 70 = 74
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74 - 69 = 5
74 - 71 = 3
74 - 68 = 6
74 - 72 = 2
74 - 67 = 7
74 - 73 = 1
74 - 74 = 0
74 - 66 = 8
73 - 70 = 3
75 - 70 = 5
72 - 70 = 2
76 - 70 = 6
71 - 70 = 1
77 - 70 = 7
70 - 70 = 0
78 - 70 = 8
5 - 1 = 4
6 - 2 = 4
7 - 3 = 4
8 - 4 = 4
9 - 5 = 4
10 - 6 = 4
97 - 6 = 91
63 - 30 = 33
84 - 73 = 11
48 - 37 = 11
65 - 32 = 33
96 - 45 = 51
2 + 2 = 4
4 × 1 = 4