Q.
= 8!!! × 9!!!
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Lah kok Jadi kek gini :)
= 8!!! × 9!!!
_____
Lah kok Jadi kek gini :)
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Penyelesaian
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= 8!!! × 9!!!
= ( 8 × 5 × 2 ) × 9!!!
= ( 40 × 2 ) × 9!!!
= 80 × 9!!!
= 80 × ( 9 × 6 × 3 )
= 80 × ( 54 × 3 )
= 80 × 162
= 4.320