Q. 7! – ( 20 × 5 ) = ?Karena itu.-.​

Penjelasan dengan langkah-langkah:

7! – ( 20 × 5 )

= (7 × 6 × 5 × 4 × 3 × 2) – (20 × 5)

= (42 × 20 × 6) – 100

= (840 × 6) – 100

= 5.040 – 100

= 4.940

7! – ( 20 × 5 ) = … ?

PENYELESAIAN:

7!

=7 x 6 x 5 x 4 x 3 x 2 x 1

= 42 x 5 x 4 x 3 x 2 x 1

= 210 x 4 x 3 x 2 x 1

= 840 x 3 x 2 x 1

= 2.520 x 2 x 1

= 5.040 x 1

= 5.040

7! – ( 20 × 5 )

= 5.040 – 100

= 4.940