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mariegcn
@mariegcn
June 2021
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encore 2 questions concernant le sudomath :
-numérateur de [tex] \frac{7-}{4} \frac{1}{2}+ \frac{5-}{8} \frac{3}{4} [/tex]
-PGCD de 11760 et 2574
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maudmarine
Verified answer
7/4 - 1/2 + 5/8 - 3/4
= 7 x 2 / 4 x 2 - 1 x 4 / 2 x 4 + 5/8 - 3 x 2 / 4 x 2
= 14/8 + 4/8 + 5/8 - 6/8
= 23/8 - 6/8
= 17/8
PGCD (11760 ; 2574)
Selon la méthode d'Euclide :
11760 : 2574 = 4 x 2574 + 1464
2574 : 1464 = 1 x 1464 + 1110
1464 : 1110 = 1 x 1110 + 354
1110 : 354 = 3 x 354 + 48
354 : 48 = 7 x 48 + 18
48 : 18 = 2 x 18 + 12
18 : 12 = 1 x 12 + 6
Le PGCD est : 6
1 votes
Thanks 1
mariegcn
le - est entre le 7 et le 1 et entre le 5 et le 3 et non entre les fractions ;)
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Verified answer
7/4 - 1/2 + 5/8 - 3/4= 7 x 2 / 4 x 2 - 1 x 4 / 2 x 4 + 5/8 - 3 x 2 / 4 x 2
= 14/8 + 4/8 + 5/8 - 6/8
= 23/8 - 6/8
= 17/8
PGCD (11760 ; 2574)
Selon la méthode d'Euclide :
11760 : 2574 = 4 x 2574 + 1464
2574 : 1464 = 1 x 1464 + 1110
1464 : 1110 = 1 x 1110 + 354
1110 : 354 = 3 x 354 + 48
354 : 48 = 7 x 48 + 18
48 : 18 = 2 x 18 + 12
18 : 12 = 1 x 12 + 6
Le PGCD est : 6