Răspuns :
[(x-3.7) : 4 ] x 0.5 +7.4 = 10
[(x-3.7) : 4 ] x 0.5 =2.6 | : 0.5
(x-3.7) :4 = 5.2
x-3.7 = 20.8
x= 24.5
[(x-3.7) : 4 ] x 0.5 =2.6 | : 0.5
(x-3.7) :4 = 5.2
x-3.7 = 20.8
x= 24.5