Réponse:
LE B C'EST LA PHOTO
a)
[tex] \frac{125}{4} \times \frac{2}{5} - \frac{3}{2} = \frac{125 \times 2}{4 \times 5} - \frac{3}{2} = \frac{250}{20} - \frac{3}{2} = \frac{250 \times 2}{20 \times 2} - \frac{3 \times 20}{2 \times 20 } = \frac{500}{40} - \frac{60}{40} = \frac{640}{40} = \frac{16}{1} [/tex]
