Bonsoir,
a) -3/10 * 5/12
= - 15/120
= (15 x - 1) / (15 x 8)
= - 1/8
b) 25/16 * -12/15
= - 300/240
= (60 x - 5) / (60 x 4)
= - 5/4
c) -9/28 * 56/63
= - 504/1 764
= (252 x - 2) / (252 x 7)
= - 2/7.
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Bonsoir,
a) -3/10 * 5/12
= - 15/120
= (15 x - 1) / (15 x 8)
= - 1/8
b) 25/16 * -12/15
= - 300/240
= (60 x - 5) / (60 x 4)
= - 5/4
c) -9/28 * 56/63
= - 504/1 764
= (252 x - 2) / (252 x 7)
= - 2/7.