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25 / 8 x 2 - 7 / 10 + 9 / 15​

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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

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