7 - 2 = 5,即菱形 = 5
5 + 7 = 12,即 △ = 2
即第一次减法得到结果为 25
25 + 42 = 67,即 ○ = 6,35 + 37 = 62
6 + 4 = 10,即年 = 0
50 - 24 = 26,故新 = 2
年 + 1 = 0 + 1 = 1,即快 = 1
50 + 11 = 61,即乐 = 6
7 - 2 = 5,即菱形 = 5
5 + 7 = 12,即 △ = 2
即第一次减法得到结果为 25
25 + 42 = 67,即 ○ = 6,35 + 37 = 62
6 + 4 = 10,即年 = 0
50 - 24 = 26,故新 = 2
年 + 1 = 0 + 1 = 1,即快 = 1
50 + 11 = 61,即乐 = 6