Sagot :
bjr
- (-5/7) = +5/7
donc :
A = -3/8 + 5/7 x 3/2
A = -3/8 + 5x3/7x2
A = -3/8 + 15/14
A = -21/56 + 60/56
A = 39/56
:)
Hello
[tex] \frac{ - 3}{8} - \frac{ - 5}{7} \times \frac{3}{2} = \frac{ - 3}{8} - \frac{ - 15}{14} = \frac{ - 21 + 60}{56} = \frac{39}{56} [/tex]
bonne journée