Calculer et donner sous la forme irréductible de :
-15 sur 14 x (-28 sur 25) , puis :
(3 sur 4 - 7 sur 2) x 16 sur 22

C’est pour vendredi merci

By: USER5297
26 Agustus 2025 mathematiques 5 minutes
4.5
171 views 171 comments 13 shares

Question

Grade: Education Subject: mathematiques
Calculer et donner sous la forme irréductible de :
-15 sur 14 x (-28 sur 25) , puis :
(3 sur 4 - 7 sur 2) x 16 sur 22

C’est pour vendredi merci
Asked by:
171 Viewed 171 Answers

Answer (171)

Best Answer
(189)
Bonsoir,

1)
-15/14 * - 28/25
= 420/350
= 6/5

2)
(3/4 - 7/2)*16/22
= (3/4 - 14/4)*16/22
= (-11/4) * 16/22
= - 176/88
= -2
Answered on 26 Agustus 2025
(162)

bonjour  formule de politesse bonjour svp merci

-15/14×-28/25=420/350=6/5

(3/4-7/2)×16/22=

(3/4-14/4)×16/22=

-11/4×16/22=-176/88=-2

Answered on 26 Agustus 2025

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