Q.4! + 5! = ……6! – 3! = ……
Jawaban:
4! + 5!
=(4 × 3 × 2 × 1) + 5!
=24 + (5 × 4 × 3 × 2 × 1)
=24 + 120
=144
_____
6! – 3!
=(6 × 5 × 4 × 3 × 2 × 1) – 3!
=720 – (3 × 2 × 1)
=720 – 6
=714
Jawaban:
4! + 5! :
________
4! = 4×3×2×1
= 12×2×1
= 24×1
= 24
5! = 5×4×3×2×1
= 20×3×2×1
= 60×2×1
= 120
4! + 5! = 24 + 120
= 144
_________________
6! – 3! :
_______
6! = 6×5×4×3×2×1
= 30×4×3×2×1
= 120×3×2×1
= 360×2×1
= 720×1
= 720
3! = 3×2×1
= 6×1
= 6
_________
6! – 3! = 720 – 6
= 714