67,8 + 56,7 = [Pake cara susun kebawah]
6! + 8! =
»Dijawab –w–
»Pake cara
»No ngasal
Quis!!
67,8 + 56,7
= 124,5
6! + 8!
= (6 × 5 × 4 × 3 × 2 × 1) + (8 × 7 × 6 × 5 × 4 × 3 × 2 × 1)
= (30 × 4 × 3 × 2 × 1) + (56 × 30 × 4 × 3 × 2 × 1)
= (120 × 3 × 2 × 1) + (56 × 120 × 3 × 2 × 1)
= (360 × 2 × 1) + (56 × 360 × 2 × 1)
= 720 + (56 × 720)
= 720 + 40.320
= 41.040
themarblerace
