A为两位数时,你能够填出这张表吗?
来源:百度知道 编辑:UC知道 时间:2024/09/23 05:31:58
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1 : (10 * 1 - 10 / 1) / 2 = 0
2 : (10 * 5 - 10 / 5) / 2 = 24
3 : (11 * 1 - 11 / 1) / 2 = 0
4 : (11 * 11 - 11 / 11) / 2 = 60
5 : (12 * 1 - 12 / 1) / 2 = 0
6 : (12 * 2 - 12 / 2) / 2 = 9
7 : (12 * 3 - 12 / 3) / 2 = 16
8 : (12 * 6 - 12 / 6) / 2 = 35
9 : (13 * 1 - 13 / 1) / 2 = 0
10 : (13 * 13 - 13 / 13) / 2 = 84
11 : (14 * 1 - 14 / 1) / 2 = 0
12 : (14 * 7 - 14 / 7) / 2 = 48
13 : (15 * 1 - 15 / 1) / 2 = 0
14 : (15 * 3 - 15 / 3) / 2 = 20
15 : (15 * 5 - 15 / 5) / 2 = 36
16 : (15 * 15 - 15 / 15) / 2 = 112
17 : (16 * 1 - 16 / 1) / 2 = 0
18 : (16 * 2 - 16 / 2) / 2 = 12
19 : (16 * 4 - 16 / 4) / 2 = 30
20 : (16 * 8 - 16 / 8) / 2 = 63
21 : (17 * 1 - 17 / 1) / 2 = 0
22 : (17 * 17 - 17 / 17) / 2 = 144
23 : (18 * 1 - 18 / 1) / 2 = 0
24 : (18 * 3 - 18 / 3) / 2 = 24
25 : (18 * 9 - 18 / 9) / 2 = 80
26 : (19 * 1 - 19 / 1) / 2 = 0
27 : (19 * 19 - 19 / 19) / 2 = 180
28 :