Найдите значение ворожений: 1)5,6*0.08-0,23*2,4 2)(72-42,56)*0,08 3)(9,38+5,12)*(8,4-3,24) !

5,6*0.08-0,23*2,4=-0.104
1)5.6*0.08=0.448
2)0.23*2.4=0.552
3)0.448-0.552=-0.104

(72-42,56)*0,08=2.3552
1)72-42.56=29.44
2)29.44*0.08=2.3552

(9,38+5,12)*(8,4-3,24)=74.82
1)9.38+5.12=14.5
2)8.4-3.24=5.16
3)14.5*5.16=74.82