Q_dadakan_

(600 × 70) + 30.000 – 20.000

➩ 42.000 + 30.000 – 20.000

➩ 72.000 – 20.000

➩ 52.000

_____________________

10! + 3! – 5!

➩ 10! = (10×9)×(8×7)×(6×5)×(4×3)×(2×1)

= (90 × 56) × (30 × 12) × 2

= 5.040 × 360 × 2

= 1.814.400 × 2

= 3.628.800

➩ 3! = 3×2×1

= 6×1

= 6

➩ 5! = 5×4×3×2×1

= 20×3×2×1

= 60×2×1

= 120×1

= 120

_____________

= 3.628.800 + 6 – 120

= 3.628.806 – 120

= 3.628.686

Penjelasan dengan langkah-langkah:

600 × 70 + 30.000 – 20.000

= 42.000 + 30.000 – 20.000

= 42.000 + 10.000

= 52.000

—

10! + 3! – 5!

= (10.9.8.7.6.5.4.3.2.1) + (3.2.1) – (5.4.3.2.1)

= 3.628.800 + 6 – 120

= 3.628.806 – 120

= 3.628.686