Q matematika
6!!+5!!-3!
78⁴+67³
note: bantu like matematika saya kakak ![]()
6!!+5!!-3!
78⁴+67³
note: bantu like matematika saya kakak
Jwb :
6!! + 5!! - 3! =
= 6!! + 5!! - 3!
= 6 × 4 × 2 + 5!! - 3!
= 24 × 2 + 5!! - 3!!
= 48 + 5!! - 3!
= 48 + 5 × 3 × 1 - 3!
= 48 + 15 × 1 - 3!
= 48 + 15 - 3!
= 48 + 15 - 3 × 2 × 1
= 48 + 15 - 6 × 1
= 48 + 15 - 6
= 63 - 6
= 57
_____
78⁴ + 67³ =
= 78⁴ + 67³
= 78 × 78 × 78 × 78 + 67³
= 6.084 × 78 × 78 + 67³
= 474.552 × 78 + 67³
= 37.015.056 + 67³
= 37.015.056 + 67 × 67 × 67
= 37.015.056 + 4.489 × 67
= 37.015.056 + 300.763
= 37.315.819
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Penjelasan dengan langkah-langkah:
6!! + 5!! - 3!
= (6 × 4 × 2) + (5 × 3 × 1) - (3 × 2 × 1)
= (24 × 2) + (15 × 1) - (6 × 1)
= 48 + 15 - 6
= 63 - 6
= 57
78⁴ + 67³
= (78 × 78 × 78 × 78) + (63 × 63 × 63)
= (6.084 × 78 × 78) + (3.969 × 63)
= (474.552 × 78) + 250.047
= 37.015.056 + 250.047
= 37.265.103
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