Question

Vr resultatul ca dog.[(15-3•4)•5-9]•8&2[13-(5•7-6•4)+4•5]

Answer 1

[(15-12)X5-9]X8=
(3x5-9)x8=
(15-9)x8=
6x8=8

2[13-(5X7-6X4)+4X5]=
2[13-(35-24)+4X5]=
2x(13-11+20)=
2x(2+20)=
2x22=44

Answer 2

[(15-12)*5-9]*8=
(3*5-9)*8=
(15-9)*8=
6*8=48

2[13-(35-24)+20]=
2(13-11+20)=
2x=22
x=22:2
x=11