272:(-448:(-112)34)= 272:(-448:(-11234))= 272:(-448:(-3808))= 272:(-3808/-448)= 272:(8.5)= 32
-226:(-19):(-14)= -226/(-19)/(-14)= 226/19/14= 0.675
(2.6-5.4):0.8= (-2.8)/0.8= -3.5
(4/15-13/20):(-5/16-(-5/12))= ((164-1513)/(1520))/((-165-155)/(1612))= ((64-195)/(300))/((-80-75)/(192))= (-131/270)/(-155/267)= 131/155= 0.84516129032
272:(-448:(-112)34)
= 272:(-448:(-11234))
= 272:(-448:(-3808))
= 272:(-3808/-448)
= 272:(8.5)
= 32
-226:(-19):(-14)
= -226/(-19)/(-14)
= 226/19/14
= 0.675
(2.6-5.4):0.8
= (-2.8)/0.8
= -3.5
(4/15-13/20):(-5/16-(-5/12))
= ((164-1513)/(1520))/((-165-155)/(1612))
= ((64-195)/(300))/((-80-75)/(192))
= (-131/270)/(-155/267)
= 131/155
= 0.84516129032