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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: Tính C= 11×3^2×3^7-9^15/(2×3^14)×2 Giúp em với ạ

Toán Lớp 6: Tính C= 11×3^2×3^7-9^15/(2×3^14)×2
Giúp em với ạ

Comments ( 1 )

  1. C = (11×3^2×3^7-9^15)/[(2×3^14)×2]
    C = [11× 3^9 – (3^2)^15]/(4 × 3^14)
    C = (11× 3^9 – 3^30)/(4 × 3^14)
    C = [3^9(11-3^21)]/(3^9 × 3^5 × 4)
    C = (11-3^21)/(4× 3^5)
    C = (-10460353192)/(972)
    C = (-2615088298)/(243)
     

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222-9+11+12:2*14+14 = ? ( )