Question

30-5×{10 +24:[25-(31-6×2)]}

Answer 1

=30-5×{10+24:[25-(31-12)]}=
=30-5×[10+24:(25-19)]=
=30-5×(10+24:6)=
=30-5×(10+4)=
=30-5×14=
=30-70
Asa iese am verificat si pe calculator

Answer 2

30-5×{10 +24:[25-(31-6×2)]} = -40. 

[25-(31-6×2)] = 25 - 19 = 6. 
10 +24:6 = 10 + 4 = 14 
30-5×14 = - 40.