Répondre :
Bonjour ,
A = 3/8 - 5/2 + 1/6
A = 3/8 - 15/6 + 1/6
A = 3/8 - 16/6
A = 9/24 - 64/24
A = - 55/24
B = 5/3 + 1 - 1/2
B = 5/3 + 3/3 - 1/2
B = 8/3 - 1/2
B = 16/6 - 3/6
B = 12/3 = 4
5/2 + 7/2 ÷ 2/3
= 5/2 + 7/2 × 3/2
= 5/2 + 21/4
= 10/4 + 21/4
= 31/4
3/2 × 1/4 + 3/8
= 3/8 + 3/8
= 6/8
* Je te laisse faire les autres ;)
A = 3/8 - 5/2 + 1/6
A = 3/8 - 15/6 + 1/6
A = 3/8 - 16/6
A = 9/24 - 64/24
A = - 55/24
B = 5/3 + 1 - 1/2
B = 5/3 + 3/3 - 1/2
B = 8/3 - 1/2
B = 16/6 - 3/6
B = 12/3 = 4
5/2 + 7/2 ÷ 2/3
= 5/2 + 7/2 × 3/2
= 5/2 + 21/4
= 10/4 + 21/4
= 31/4
3/2 × 1/4 + 3/8
= 3/8 + 3/8
= 6/8
* Je te laisse faire les autres ;)
Bonjour,
A = 3/8 - 5/2 + 1/6
A = 4,5/12 - 30/12 + 2/12
A = -25,5/12 + 2/12
A = - 23,5/12
B = 5/3 + 1 - 1/2
B = 10/6 + 6/6 - 3/6
B = 16/6 - 3/6
B = 13/6
C = 6/7 + 3/7 × 1/2
C = 6/7 + 3/14
C = 12/14 + 3/14
C = 15/14
D = 4/3 ÷ 1/5 + 4/5
D = 4/3 × 5/1 + 4/5
D = 15/3 + 4/5
D = 75/15 + 12/15
D = 87/15
D = 29/5
Calculer :
5/2 + 7/2 ÷ 2/3
= 5/2 + 7/2 × 3/2
= 5/2 + 21/4
= 10/4 + 21/4
= 31/4 = 7,75
3/2 × 1/4 + 3/8
= 3/8 + 3/8
= 6/8
= 3/4 = 0,75
5/2 - 1/2 ÷ 3/1
= 5/2 - 1/2 × 1/3
= 5/2 - 1/6
= 15/6 - 1/6
= 14/6
= 7/3
4/6 - 1/6 × 5/2
= 4/6 - 5/12
= 8/12 - 5/12
= 3/12
= 1/4 = 0,25
J'espère t'avoir aidé.
A = 3/8 - 5/2 + 1/6
A = 4,5/12 - 30/12 + 2/12
A = -25,5/12 + 2/12
A = - 23,5/12
B = 5/3 + 1 - 1/2
B = 10/6 + 6/6 - 3/6
B = 16/6 - 3/6
B = 13/6
C = 6/7 + 3/7 × 1/2
C = 6/7 + 3/14
C = 12/14 + 3/14
C = 15/14
D = 4/3 ÷ 1/5 + 4/5
D = 4/3 × 5/1 + 4/5
D = 15/3 + 4/5
D = 75/15 + 12/15
D = 87/15
D = 29/5
Calculer :
5/2 + 7/2 ÷ 2/3
= 5/2 + 7/2 × 3/2
= 5/2 + 21/4
= 10/4 + 21/4
= 31/4 = 7,75
3/2 × 1/4 + 3/8
= 3/8 + 3/8
= 6/8
= 3/4 = 0,75
5/2 - 1/2 ÷ 3/1
= 5/2 - 1/2 × 1/3
= 5/2 - 1/6
= 15/6 - 1/6
= 14/6
= 7/3
4/6 - 1/6 × 5/2
= 4/6 - 5/12
= 8/12 - 5/12
= 3/12
= 1/4 = 0,25
J'espère t'avoir aidé.
Merci d'avoir visité notre site Web, qui traite d'environ Mathématiques. Nous espérons que les informations partagées vous ont été utiles. N'hésitez pas à nous contacter pour toute question ou demande d'assistance. À bientôt, et pensez à ajouter ce site à vos favoris !