A=15-3x6:(3x3x3:3+0:5)+30:(3:3+5) =(facem inmultirile si impartirile care putem)
A=15-18:(9x3:3+0)+30:(1+5)
A=15-18:(27:3)+30:6
A=15-18:9+5
A=15-2+5
A=13+5
A=18
B=25+[7x3x18:2-5x(5x4-36:3)] =
B=25+[14x18:2-5x(20-12)]
B=25+(252:2-5x8)
B=25+(146-40)
B=25+106
B=131
131+18=149
131-18=113
131x18=2358
