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a. 3x3x5 = 45

b. 5x13 = 65

c. 2x17 =34

d. 2x3x31 =186

Réponse :

a. [tex]45 = 5 \times 9 = 5 \times 3 \times 3 = 5 \times 3^2[/tex]

b. [tex]65 = 5 \times 13[/tex]

c. [tex]34 = 2 \times 17[/tex]

d. [tex]186 = 2 \times 93 = 2 \times 3 \times 31[/tex]