Răspuns :
100 - [250 - 5 × (x - 5) : 5] × 3 = 40250 - 5 × (x - 5) : 5 = 100 - 40250 - 5 × (x - 5) : 5 = 60255 - 5 × (x - 5) = 60 : 5255 - 5 × (x - 5) = 125 × (x - 5) = 255 - 125 × (x - 5) = 241x - 5 × 5 = 241x - 25 = 241x = 241 - 25x = 216
Ti-am mai dat odata rezolvarea.
Ti-am mai dat odata rezolvarea.
100-[250-5x(x-5):5]x3=40
[250-5x(x-5):5]x3=60
[250-5x(x-5):5=20
250-5x(x-5)=100
5x(x-5)=150
x-5=30
x=35
[250-5x(x-5):5]x3=60
[250-5x(x-5):5=20
250-5x(x-5)=100
5x(x-5)=150
x-5=30
x=35