Bonsoir,
C)
1/5 +3/5*1/4
= 1/5 +3/20
= 4/20+3/20
= 7/20
D)
(3/5 -1/2) *5/2
= ( 6/10 - 5/10) *5/2
= 1/10*5/2
= 5/20
E)
5/6-5/4 = 20/24 - 30-24
= -10/24 = -5/12
-5/12 * 8/5
= -40/ 60 = -4/6 = -2/3
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Bonsoir,
C)
1/5 +3/5*1/4
= 1/5 +3/20
= 4/20+3/20
= 7/20
D)
(3/5 -1/2) *5/2
= ( 6/10 - 5/10) *5/2
= 1/10*5/2
= 5/20
E)
5/6-5/4 = 20/24 - 30-24
= -10/24 = -5/12
-5/12 * 8/5
= -40/ 60 = -4/6 = -2/3