[(825:5)×(801-796)]:(426:3×2-119)=
=(165×5):(142×2-119)=
=825:(284-119)=
=825:165=5
[(18×4-81:9):7]:(128+864:8-227)+309:3=
=[(72-9):7]:(128+108-227)+103=
=(63:7):(236-227)+103=
=9:9+103=
=104
[(925:5)×701-699)]:(426:3×2-279)=
=(185×701-699):(142×2-279)=
=(129685-699):(284-279)=
=128986:5=25797.2
[(2+200:2)×3+4]×5=
=[(2+100)×3+4]×5=
=(102×3+4)×5=
=(306+4)×5=
=310×5=1550
12000-350:5+45:3+[1985-(75:5+24×35]×15=
=12000-70+15+[1985-(15+840)]×15=
=12000-70+15+(1985-855)×15=
=12000-70+15+1130×15=
=12000-70+15+16950=
=11930+15+16950=
=11945+16950=
=28895.