Q.7!! – 4! =Nt : Jan dicolong ;-;
7!! – 4!
7 × 5 × 3 × 1 – 4 × 3 × 2 × 1
35 × 3 × 1 – 12 × 2 × 1
105 – 1 – 24 × 1
105 – 24
= 81
~Opung~
Jawaban:
7!! – 4!
(7 × 5 × 3) – 4!
(35 × 3) – 4!
105 – 4!
105 – (4 × 3 × 2)
105 – (12 × 2)
105 – 24
» 81