bonjour
a = 2 ⁴ x 5 ⁵
b = 5 ² x 2 x 5 x 5 x 2 ³ = 2 ⁴ x 5 ⁴
c = 5 ⁴ x 2 ⁹
d = 2 ³ x 3 x 7 ²
f = 3 x 2 x 2 x 3 x 7 x 7 x 7 = 2 ² x 3 ² x 7 ³
e = 2 ⁵ x 3 x 7 x 3 x 2 x 2 = 2 ⁷ x 3 ² x 7
g = 6 x 7 = 2 x 3 x 7
Explications étape par étape
Bonjour,
A = 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 = 2⁴ × 5⁴
B = 25 × 10 × 5 × 8
= 5×5 × 2×5 × 5 × 2×2×2
= 5 × 5 × 5 × 5 × 2 × 2 × 2 × 2
= 5⁴ × 2⁴
C = 625 × 512
= 5×5×5×5 × 2×2×2×2×2×2×2×2×2
= 5⁴ × 2⁹
D = 2 × 2 × 2 × 3 × 7 × 7
= 2³ × 3¹ × 7²
E = 32 × 21 × 12
= 2×2×2×2×2 × 3×7 × 3×2×2
= 2⁷ × 3² × 7¹
tu essayes de faire les deux derniers ?
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bonjour
a = 2 ⁴ x 5 ⁵
b = 5 ² x 2 x 5 x 5 x 2 ³ = 2 ⁴ x 5 ⁴
c = 5 ⁴ x 2 ⁹
d = 2 ³ x 3 x 7 ²
f = 3 x 2 x 2 x 3 x 7 x 7 x 7 = 2 ² x 3 ² x 7 ³
e = 2 ⁵ x 3 x 7 x 3 x 2 x 2 = 2 ⁷ x 3 ² x 7
g = 6 x 7 = 2 x 3 x 7
Explications étape par étape
Bonjour,
A = 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 = 2⁴ × 5⁴
B = 25 × 10 × 5 × 8
= 5×5 × 2×5 × 5 × 2×2×2
= 5 × 5 × 5 × 5 × 2 × 2 × 2 × 2
= 5⁴ × 2⁴
C = 625 × 512
= 5×5×5×5 × 2×2×2×2×2×2×2×2×2
= 5⁴ × 2⁹
D = 2 × 2 × 2 × 3 × 7 × 7
= 2³ × 3¹ × 7²
E = 32 × 21 × 12
= 2×2×2×2×2 × 3×7 × 3×2×2
= 2⁷ × 3² × 7¹
tu essayes de faire les deux derniers ?