Matematika Q. (+20)

8! - 6! =

12³ + 11² =

pakai cara

#hematpoin ​

Q. (+20)

8! - 6! =

12³ + 11² =

pakai cara

#hematpoin ​

Jawaban:

8! - 6! =

(8 × 7 × 6 × 5 × 4 × 3 × 2) - (6 × 5 × 4 × 3 × 2) =

(56 × 6 × 5 × 4 × 3 × 2) - (30 × 4 × 3 × 2) =

(336 × 5 × 4 × 3 × 2) - (120 × 3 × 2) =

(1.680 × 4 × 3 × 2) - (360 × 2) =

(6.720 × 3 × 2) - 720 =

(20.160 × 2) - 720 =

40.320 - 720 =

39.600

---------------------------------

12³ + 11² =

(12 × 12 × 12) + (11 × 11) =

(144 × 12) + 121 =

1.728 + 121 =

1.849

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Penyelesaian :

= 8!

= 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1

= 56 × 6 × 5 × 4 × 3 × 2 × 1

= 336 × 5 × 4 × 3 × 2 × 1

= 1.680 × 4 × 3 × 2 × 1

= 6.720 × 3 × 2 × 1

= 20.160 × 2 × 1

= 40.320 × 1

= 40.320

__________

= 6!

= 6 × 5 × 4 × 3 × 2 × 1

= 30 × 4 × 3 × 2 × 1

= 120 × 3 × 2 × 1

= 360 × 2 × 1

= 720 × 1

= 720

__________

= 8! - 6!

= 40.320 - 720

= 39.600

__________

= 12³ + 11²

= (12 × 12 × 12) + (11 × 11)

= (144 × 12) + 121

= 1.728 + 121

= 1.849

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