Simplifier au maximum: A= 3 ×( 7-5) 7×(3-6) B= 3 × 7-5 7×3-6 C=12×( 1-1 ) (3-6) D=12× 1-1
Mathématiques
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Question
Simplifier au maximum:
A=3×(7-5)
7×(3-6)
B=3×7-5
7×3-6
C=12×(1-1)
(3-6)
D=12×1-1
A=3×(7-5)
7×(3-6)
B=3×7-5
7×3-6
C=12×(1-1)
(3-6)
D=12×1-1
1 Réponse
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1. Réponse droopette
A=3/7*(7/3-5/6)
=3/7*(14/6-5/6)
=3/7*9/6
=1/7*9/2
=9/14
B=3/7*7/3-5/6
=1-5/6
=6/6-5/6
=1/6
C=12*(1/3-1/6)
=12*(2/6-1/6)
=12*1/6
=2
D=12*1/3-1/6
=12/3-1/6
=24/6-1/6
=23/6