a) 126×0+25×[125:125×(3294-2326)]=
=25×(1×968)=25×968=24200
b) [(125×7-190):5-29]:3×9+599=
=[(875-190):5-29]:3×9+599
=(685:5-29):3×9+599
=(137-29):3×9+599=108:3×9+599=
=36×9+599=324+599=923
c) [(81×9+8×2-7)×3]:(8×4-27:3×4)=
=[(729+16-7)×3]:(32-9×4)
=(738×3):(32-36)
=2214:(-4)=-553.5
