Răspuns:
55:10+20*(9+9)-20:(42-22)
55:10+20*18-1=
5.5+360-1=
365.5-1=364.5
Explicație pas cu pas:
55:10+20x(81:9+9)-20:(6x7-11x2)
5,5+20x(9+9)-20:(42-22)
5,5+20x18-20:20
5,5+360-1
365,5-1=364,5
