C = 23/8 - 1/4
C=
Bonjour
On se propose de calculer C=23/8-(7/4-3/2)
a. Effectuer 7/4-3/2
7/4 - 3/2
= 7/4 - (3 x 2) / (2x 2)
= 7/4 - 6/4
= 1/4
b. Calculer alors C
C=23/8-(7/4-3/2)
C = 23/8 - [(7x 2) / (4 x 2) - (3 x 4) / (2x 4)]
C = 23/8 - (14/8 - 12/8)
C = 23/8 - 2/8
C = 21/8
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coucouuuu
a) j'effectue le calcul:
b)Je calcule C:
C = 23/8 - 1/4
C=
C= 21/8
Bonjour
On se propose de calculer C=23/8-(7/4-3/2)
a. Effectuer 7/4-3/2
7/4 - 3/2
= 7/4 - (3 x 2) / (2x 2)
= 7/4 - 6/4
= 1/4
b. Calculer alors C
C=23/8-(7/4-3/2)
C = 23/8 - [(7x 2) / (4 x 2) - (3 x 4) / (2x 4)]
C = 23/8 - (14/8 - 12/8)
C = 23/8 - 2/8
C = 21/8