3! + 2!
= (3(2(1) + (2(1)
= 6 + 2
= 8
9! - 8!
= (9.8.7.6.5.4.3.2.1.) - (8.7.6.5.4.3.2.1)
= 362.880 - 40.320
= 322.560
5! - 3!
= (5.4.3.2.1) - (3.2.1)
= 120 - 6
= 114
1.3! + 2!
3×2×1 + 2×1
6 + 2
8
2.9! - 8!
9×8×7×6×5×4×3×2×1 - 8×7×6×5×4×3×2×1
362.880 - 40.320
322.550
3.5! - 3!
5×4×3×2×1 - 3×2×1
120 - 6
114
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3! + 2!
= (3(2(1) + (2(1)
= 6 + 2
= 8
9! - 8!
= (9.8.7.6.5.4.3.2.1.) - (8.7.6.5.4.3.2.1)
= 362.880 - 40.320
= 322.560
5! - 3!
= (5.4.3.2.1) - (3.2.1)
= 120 - 6
= 114
Verified answer
1.3! + 2!
3×2×1 + 2×1
6 + 2
8
2.9! - 8!
9×8×7×6×5×4×3×2×1 - 8×7×6×5×4×3×2×1
362.880 - 40.320
322.550
3.5! - 3!
5×4×3×2×1 - 3×2×1
120 - 6
114