42-3= 95-6= 59-4= 26+7=
37+4= 18-8= 35-8= 82-6=
86+10= 70+3= 90+10= 65+8=
62+35= 89-34= 17+79= 90-84=
46+27+18= 85-58-14= 71-65+34=
5+37-26= 66+(28-23)=73-(30-25)=
>>>