9!! - 6!! × 3!! = ..
[tex] \\ [/tex]
(1 + 6)!! + (4 + 1)!! = ..
[tex] \\ \\ [/tex]
[tex] \\ [/tex]
(1 + 6)!! + (4 + 1)!! = ..
[tex] \\ \\ [/tex]
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9!! - 6!! × 3!!
= (9 × 7 × 5 × 3 × 1) - (6 × 4 × 2) × (3 × 1)
= 945 - 48 × 3
= 945 - (48 × 3)
= 945 - 144
= 801
...
(1 + 6)!! + (4 + 1)!!
= 7!! + 5!!
= (7 × 5 × 3 × 1) + (5 × 3 × 1)
= (7 × 15) + 15
= 105 + 15
= 120
Jawaban:
1) 801
2) 120
Penjelasan dengan langkah-langkah:
= 9!! - 6!! × 3!!
= ( 9 × 7 × 5 × 3 × 1 ) - 6!! × 3!!
= ( 63 × 5 × 3 × 1 ) - 6!! × 3!!
= ( 315 × 3 × 1 ) - 6!! × 3!!
= ( 945 × 1 ) - 6!! × 3!!
= 945 - 6!! × 3!!
= 945 - ( 6 × 4 × 2 ) × 3!!
= 945 - ( 24 × 2 ) × 3!!
= 945 - 48 × 3!!
= 945 - 48 × ( 3 × 1 )
= 945 - 48 × 3
= 945 - 144
= 801
_____________
= (1 + 6)!! + (4 + 1)!!
= 7!! + 5!!
= ( 7 × 5 × 3 × 1 ) + 5!!
= ( 35 × 3 × 1 ) + 5!!
= ( 105 × 1 ) + 5!!
= 105 + 5!!
= 105 + ( 5 × 3 × 1 )
= 105 + ( 15 × 1 )
= 105 + 15
= 120