100-8-40=52
100-4-70=26
80-24+6=62
90-(60+24)=6
80-(70-12)=22
100-8-40=52.100-4-70=29.80-24+6=62.60-18+7=49.90-(60+24)=6.80-(70-12)=22
100-8-40=52
100-4-70=26
80-24+6=62
90-(60+24)=6
80-(70-12)=22
100-8-40=52.100-4-70=29.80-24+6=62.60-18+7=49.90-(60+24)=6.80-(70-12)=22