Question

Q.

Tentukan hasil dari
15 × 6 + 4 =

13 × 10 =

12!
​

Answer 1

15 × 6 + 4

90 + 4

94

_____________________

13 × 10

130

_____________________

12!

12 × 11 × 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1

132 × 90 × 56 × 30 × 12 × 2

132 × 90 × 56 × 360 × 2

132 × 5.040 × 720

132 × 3.628.800

479.001.600

Answer 2

1. 15 × 6 + 4

2. 13 × 10

3. 12!

Hasilnya?

1. 15 × 6 + 4

= ( 15 × 6 ) + 4

= 90 + 4

= 94

2. 13 × 10

= 130

3. 12!

= 12 × 11 × 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1

= (12 × 11) × (10 × 9) × (8 × 7) × (6 × 5) × (4 × 3) × (2 × 1)

= 132 × 90 × 56 × 30 × 12 × 2

= (132 × 90) × (56 × 30) × (12 × 2)

= 11.880 × 1.680 × 24

= 19.958.400 × 24

= 479.001.600

1. 15 × 6 + 4 = 94

2. 13 × 10 = 130

3. 12! = 479.001.600