hitunglah hasil operasi bilangan berikut! a. 9 × (-4 × 5) × (10 - 14) b. (-15 + 7) × 50 × [5 × (-12)] c. [14 × (-7)] + [-19 × (-8)] d. -8 - [-4 × 15] + [11 × (-
Matematika
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Pertanyaan
hitunglah hasil operasi bilangan berikut!
a. 9 × (-4 × 5) × (10 - 14)
b. (-15 + 7) × 50 × [5 × (-12)]
c. [14 × (-7)] + [-19 × (-8)]
d. -8 - [-4 × 15] + [11 × (-7)]
pakai cara ya.
a. 9 × (-4 × 5) × (10 - 14)
b. (-15 + 7) × 50 × [5 × (-12)]
c. [14 × (-7)] + [-19 × (-8)]
d. -8 - [-4 × 15] + [11 × (-7)]
pakai cara ya.
1 Jawaban
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1. Jawaban difiela1
a. 9 × (-4 × 5) × (10 - 14) = 9 × ( -20 ) × ( -4 )
= 9 × 80
= 720
b. (-15 + 7) × 50 × [5 × (-12)] = ( -8 ) × 50 × ( -60 )
= ( -8 ) × ( -3000 )
= 24000
c. [14 × (-7)] + [-19 × (-8)] = ( -98 ) + 152 = 54
d. -8 - [-4 × 15] + [11 × (-7)] = ( -8 ) - ( -60 ) + ( -77 )
= 52 + ( -77 )
= ( -25 )