tentukan hasil dari
A. -10 × (-50 : 5) × (5 - 3) =
B. -15 × (-5 × 9) - (10+ 15) =
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A. -10 × (-50 : 5) × (5 - 3) =
B. -15 × (-5 × 9) - (10+ 15) =
A. -10 × ((-50) ÷ 5) × (5 - 3)
= -10 × (-10) × 2
= (-10 × (-10)) × 2
= (10 × 10)
= 100 × 2
= -200
B. -15 × ((-5) × 9) - (10 + 15)
= -15 × (-45) - 25
= (-15 × (-45)) - 25
= (15 × 45) - 25
= 675 - 25
= 650
Penjelasan dengan langkah-langkah:
A.
[tex] \sf - 10 \times ( - 50 \div 5) \times (5 - 3)[/tex]
[tex] \sf = - 10 \times ( - 10) \times (5 - 3)[/tex]
[tex] \sf = - 10 \times ( - 10) \times 2[/tex]
[tex] \sf = ( - 10 \times ( - 10)) \times 2[/tex]
[tex] \sf = 100 \times2[/tex]
[tex] \sf = \red{200}[/tex]
____________________________
B.
[tex] \sf-15 × (-5 × 9) - (10+ 15) [/tex]
[tex] \sf = - 15 \times ( - 45) - (10 + 15)[/tex]
[tex] \sf = - 15 \times ( - 45) - 25[/tex]
[tex] \sf = 675 - 25[/tex]
[tex] \sf = \red{650}[/tex]
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