Bonjour
Donner les résultats sous forme de fraction simplifiée
A=5/4*8/15 = 8/4 x 5/15 = 2 x 1/3 = 2/3
B=7/17*3,5/14 = 7/14 x 3,5/17 = 1/2 x 35/170 = 1/2 x 7/34 = 7/68
C=5/9*2,5/3 = 12,5/27 = 125/270 = 25/54
D=45/21*28/30 = 45/30 x 28/21 = (3 x 15)/(2 x 15) x (7 x 4)/(7 x 3) = 3/2 x 4/3 = 4/2 = 2
E=2/3*3/5*5/4 = 3/3 x 5/5 x 2/4 = 1/2
F=15/18*4/25 = 15/25 x 4/18 = 3/5 x 2/9 = 3/9 x 2/5 = 1/3 x 2/5 = 2/15
G=6/5*1/12 = 6/12 x 1/5 = 1/2 x 1/5 = 1/10
H=4*17/20
I=3*5/2
J=5*6/15
K=5*13/2*8/5
L=49/64*16/63
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Verified answer
Bonjour
Donner les résultats sous forme de fraction simplifiée
A=5/4*8/15 = 8/4 x 5/15 = 2 x 1/3 = 2/3
B=7/17*3,5/14 = 7/14 x 3,5/17 = 1/2 x 35/170 = 1/2 x 7/34 = 7/68
C=5/9*2,5/3 = 12,5/27 = 125/270 = 25/54
D=45/21*28/30 = 45/30 x 28/21 = (3 x 15)/(2 x 15) x (7 x 4)/(7 x 3) = 3/2 x 4/3 = 4/2 = 2
E=2/3*3/5*5/4 = 3/3 x 5/5 x 2/4 = 1/2
F=15/18*4/25 = 15/25 x 4/18 = 3/5 x 2/9 = 3/9 x 2/5 = 1/3 x 2/5 = 2/15
G=6/5*1/12 = 6/12 x 1/5 = 1/2 x 1/5 = 1/10
H=4*17/20
I=3*5/2
J=5*6/15
K=5*13/2*8/5
L=49/64*16/63