(4⅛-0,004•300):29,25+(4¼-3½):70

[latex](4⅛-0,004•300):29,25+(4¼-3½):70=85127/224 0.004*300=1.2 4 1/8-12/10=(165-48)/40=117/40  117/40:2925/100=117/40*2925/100=117/40*117/4=13689/160 17/4-7/2=3/4 3/4*1/70=3/280 13689/160+3/280=(95823+12)/1120=19167/224=85127/224 [/latex]