Question

Q.

7! + 8!! - 9!!! =

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Answer 1

بِسْـــمِ اللَّهِ الرَّحْمَــنِ الرَّحِيْمِ

7! + 8!! - 9!!!

= (7 × 6 × 5 × 4 × 3 × 2 × 1) + (8 × 6 × 4 × 2) - (9 × 6 × 3)

= (42 × 20 × 6) + (48 × 8) - (54 × 3)

= (840 × 6) + 384 - 162

= 5.040 + 384 - 162

= 5.424 - 162

= 5.262

وَاللَّهُ عَالَمُ بِاالصَّوَافَ

Answer 2

┈─➤ Jawaban:

• 7! + 8!! - 9!!! = ?

= ( 7 × 6 × 5 × 4 × 3 × 2 × 1 ) + 8!! - 9!!!

= ( 42 × 5 × 4 × 3 × 2 × 1 ) + 8!! - 9!!!

= ( 210 × 4 × 3 × 2 × 1) + 8!! - 9!!

= ( 840 × 3 × 2 × 1 ) + 8!! - 9!!!

= ( 2.520 × 2 × 1 ) + 8!! - 9!!!

= 5.040 + ( 8 × 6 × 4 × 2 ) - 9!!!

= 5.040 + ( 48 × 4 × 2 ) - 9!!!

= 5.040 + ( 192 × 2 ) - 9!!!

= 5.040 + 384 - ( 9 × 6 × 3 )

= 5.040 + 384 - 162

= 5.424 - 162

= 5.262