Q. lanjut besok
2! × 3! + 4! - 5!
21 × 2 ( cabe )
met malem-^-
papay lanjut besyock![]()
2! × 3! + 4! - 5!
21 × 2 ( cabe )
met malem-^-
papay lanjut besyock
[tex] \\ [/tex]
[tex] \sf = 2! × 3! + 4! - 5![/tex]
[tex] \sf =( 2! × 3! )+ 4! - 5![/tex]
[tex] \sf =((2 \times 1)× (3 \times 2 \times 1)) + (4 \times 3 \times 2 \times 1) -(5 \times 4 \times 3 \times 2 \times 1)[/tex]
[tex] \sf = (2 \times (6 \times 1)) + (12 \times 2 \times 1) - (20 \times 3 \times 2 \times 1)[/tex]
[tex] \sf =( 2 \times 6) + (24 \times 1) - (60 \times 2 \times 1)[/tex]
[tex] \sf = 12 + 24 - (120 \times 1)[/tex]
[tex] \sf = 12 + 24 - 120[/tex]
[tex] \sf = 36 - 120[/tex]
[tex] \sf = - 84[/tex]
[tex] \\ [/tex]
No.1
2! × 3! + 4! - 5! = ?
- 2! = 2.1 = 2
- 3! = 3.2.1 = 6
- 4! = 4.3.2.1 = 24
- 5! = 5.4.3.2.1 = 120
= 2 × 6 + 24 - 120
= 12 + (-96)
= -84
No.2
21 × 2 = 42
[answer.2.content]
