Jawabanmu

2014-05-01T10:37:32+07:00
(1,a)(1,b)(1,c)(1,d)(2,a)(2,b)(2,c)(2,d)(3,a)(3,b)(3,c)(3,d)(4,a)(4,b)(4,c)(4,d)(5,a)(5,b)(5,c)(5,d)(6,a)(6,b)(6,c)(6,d)
Jumlah nya === 24

Maaf kalok salah!!
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2014-05-01T10:38:31+07:00
Susunan kamar bicara misalkan {a,b,c,d} susunan nomor yg dihubungi misalkan {A,B,C,D,E,F} maka banyaknya pasangan yg dihubungi = 6 x 4 = 24 (a,A)(a,B)(a,C)(a,D)(a,E)(a,F) = 6 begitu juga b,c,d
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