25 / 8 x 2 - 7 / 10 + 9 / 15
Mathématiques
milibobibrowni
Question
25 / 8 x 2 - 7 / 10 + 9 / 15
2 Réponse
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1. Réponse hirondelle52
Bonjour,
25 / 8 x 2 - 7 / 10 + 9 / 15
= 50/8 -7 / 10 + 9 / 15
= 25/4 - 7 / 10 + 9 / 15
= 250/40 - 28/40 +9/15
= 222/40 +9/15
= 111/20 +9/15
= 666/60+ 36/60
= 702/60
= 234/20
= 117/10
= 11,7
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2. Réponse Vasi
[tex] 25 / 8 x 2 - 7 / 10 + 9 / 15 [/tex]
50/8 -7 / 10 + 9 / 15 =
25/4 - 7 / 10 + 9 / 15 =
250/40 - 28/40 +9/15 =
222/40 +9/15 =
111/20 +9/15 =
666/60+ 36/60 =
702/60 =
234/20 =
117/10 =
11,7