Mathématiques

Question

stp aide moi please​
stp aide moi please​

2 Réponse

  • 3^3+2^3

    =(3×3×3)+(2×2×2)

    =27+8

    =35

    (3+5)^2

    =(3×3)+(3×5)+(5×5)+(5×3)

    =9+15+25+15

    =24+25+15

    =49+15

    =64

    3+5^2

    =3+(5×5)

    =3+25

    =28

    4^3×4^1

    =(4×4×4)×4

    =64×4

    =256

    Exo 2

    18^3=16^3+12^3 Faux

    6^3=4^3+2^3. Faux

    6×6×6=216

    (4×4×4)+(2×2×2)=72

    Bonne soirée ☺

  • A = 3³ + 2³

    A = 3×3×3+×2×2×2

    A = 27 + 8

    A = 35

    B = (3+5)²

    B = 8²

    B = 8×8

    B = 64

    C = 3 + 5²

    C = 3 + 25 car 5 × 5 = 25

    C = 28

    D = 4³ × 4¹

    D = 4×4×4×4

    D = 256

    ex 2 ✅

    18⁴ = 104 976 et 16⁴ + 12⁴ = 86272

    donc 18⁴ ≠ 16⁴ + 12 ⁴

    donc faux

    6³ = 216

    et 4³ + 2³ = 72

    donc faux