Math résoudre les questions
Mathématiques
emmyndayish
Question
Math résoudre les questions
1 Réponse
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1. Réponse johann8
1 - 3/2 × 2/9
= 18/18 - 6/18
= 12/18
= 2/3
(1 - 3/2) × 2/9
= (2/2 - 3/2) × 2/9
= -1/2 × 2/9
= -2/18
= -1/9
7/3 - 4/3 ÷ 5/2
= 7/3 - 4/3 × 2/5
= 21/15 - 8/15
= 6/15
= 2/5