Răspuns:
a=15-3*6:(3*3*3:3+0:5)+(30*3:3+5)
=15-3*6:(27:3+0:5)+(90:3+5)
=15-3*6:(9+0)+(30+5)
=15-3*6:9+35
=15-18:9+35
=15-2+35
=13+35
=48
b=25+[7*2*18:2-5*(5*4-36:3)]
=25+[7*2*18:2-5*(20-12)]
=25+(7*2*18:2-5*8)
=25+(14*9-40)
=25+(126-40)
=25+86
=111
Explicație pas cu pas:
111-48=63
111+48=159
111*48=5328