Every sort of permutation and combination is possible in human nature . 火的本性可能有各種交織和組合的情況。
Principles and strategies for solving the applied problems in permutations and combinations 排列組合應(yīng)用題的解題原則和策略
1 . the whole set is permutation and combination style , possible to add reduce colors , even add on reverse printing mechanism as required by custoners 1整機為排列組合式,可據(jù)用戶要求增減印刷色組及境設(shè)反面印刷機構(gòu)。
Besides , the author understood the rule of negative multiplication completely and studied the problem of permutation and combination deeply 另外,薩瑪瓦爾完全理解了負數(shù)的乘法法則,并對排列組合問題也有充分的認識。
1 . the whole set is in permutation and combination style , possible to add reduce color class and add on reverse printing mechanism as required by customers 1整機為排列組合式,可據(jù)用戶要求增減印刷色組及增設(shè)反面印刷機構(gòu)