求数字之间的奥秘:1到49个数之间分成3个区(1)0102,0708,1213,1819,2324,2930,3435,40,4546;(2)0304,0910,1415,20,2526,31,3637,4142,4748;(3)0506,11,1617,2122,2728,3233,3839,4344,49.31加减乘除(求规律)=13,13加减
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求数字之间的奥秘:1到49个数之间分成3个区(1)0102,0708,1213,1819,2324,2930,3435,40,4546;(2)0304,0910,1415,20,2526,31,3637,4142,4748;(3)0506,11,1617,2122,2728,3233,3839,4344,49.31加减乘除(求规律)=13,13加减
求数字之间的奥秘:1到49个数之间分成3个区(1)0102,0708,1213,1819,2324,2930,3435,40,4546;(2)0304,0910,1415,20,2526,31,3637,4142,4748;(3)0506,11,1617,2122,2728,3233,3839,4344,49.
31加减乘除(求规律)=13,13加减乘除=10,10加减乘除=06,06加减乘除=47,
31(求规律)=13,13(求规律)=10,10(求规律)=06,06(求规律)=47
求数字之间的奥秘:1到49个数之间分成3个区(1)0102,0708,1213,1819,2324,2930,3435,40,4546;(2)0304,0910,1415,20,2526,31,3637,4142,4748;(3)0506,11,1617,2122,2728,3233,3839,4344,49.31加减乘除(求规律)=13,13加减
郭敦顒回答:
在(1)区,0102,0708,12,13,18,19,23,24,29,30,34,35,40,45,46,
13加减乘除=10,
(13-12)(19-18)(24-23)(30-29)(35-34)(46-45) ×40/[1+2+(8-7)]=10,
数个1的连乘积再与构成10的代数式相乘即得,本题中40/[1+2+(8-7)]=10.
数个1可以通过加减乘除构成(0,1,2,3,4,…)有很大的活动空间.
其它都有类同之处,不一一作答.