Comment calculer 5x((7+3)x6)-(200-40)

Comment calculer ?
5 x ((7 + 3) x 6) - (200 - 40)
= 5 x ((10 x 6) - (160)
= 5 x 60 - 160
= 300 - 160
= 140

Bonjour,

5x((7+3)x6)-(200-40)
=5x(10)x6-(200-40)
=50x6-(200-40)
=300-(200-40)
=300-(160)
=140