pourriez vous m aider svp

a = 5 + 14 + 9 -3 X (5-2)
---
5+2

MERCI

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Question

Grade: Education Subject: mathematiques
pourriez vous m aider svp

a = 5 + 14 + 9 -3 X (5-2)
---
5+2

MERCI
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Answer (125)

Best Answer
(296)
a = 5 + 14 + 9 - 3 x (5 - 2)
                               5 + 2
a = 5 + 14 + 9 - 3 x 3/7
a = 5 + 14 + 9 - 9/7
a = 5 x 7 / 1 x 7 + 14 x 7 / 1 x 7 + 9 x 7 / 1 x 7 - 9/7
a = 35/7 + 98/7 + 63/7 - 9/7
a = 196/7 - 9/7
a = 187/7