7! = 7×6×5×4×3×2 = 5.040
9! = 9×8×7×6×5×4×3×2 = 362.880
5.040 + 362.880 - 7⁵ = 367.920 - (7×7×7×7×7 = 16.807) = 351.113
7! + 9! – 7⁵
= (7 × 6 × 5 × 4 × 3 × 2 × 1) + (9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1) – (7 × 7 × 7 × 7 × 7)
= 5040 + 362880 – 16807
= 367920 – 16807
= 351113
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7! = 7×6×5×4×3×2 = 5.040
9! = 9×8×7×6×5×4×3×2 = 362.880
5.040 + 362.880 - 7⁵ = 367.920 - (7×7×7×7×7 = 16.807) = 351.113
7! + 9! – 7⁵
= (7 × 6 × 5 × 4 × 3 × 2 × 1) + (9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1) – (7 × 7 × 7 × 7 × 7)
= 5040 + 362880 – 16807
= 367920 – 16807
= 351113