Q.
7!! + 4² - 5 =
Nt : Hmm terlalu numpuk tugasnya :v
7!! + 4² - 5 =
Nt : Hmm terlalu numpuk tugasnya :v
Jwb :
= 7!! + 4² - 5
= (7 × 5 × 3) + (4 × 4) - 5
= 105 + 16 - 5
= 121 - 5
= 116
⟩⟩ Penyelesaian
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7!! + 4² - 5 =
= 7!! + 4² - 5
= 7 × 5 × 3 × 1 + 4² - 5
= 35 × 3 × 1 + 4² - 5
= 105 × 1 + 4² - 5
= 105 + 4² - 5
= 105 + 4 × 4 - 5
= 105 + 16 - 5
= 121 - 5
= 116
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