а)80:100=0,8-1%0,8*3=2,4
б)4:100*5=0,2
в)60:100*12=7,2
г)90:100*60=54
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а)80:100=0,8-1%
0,8*3=2,4
б)4:100*5=0,2
в)60:100*12=7,2
г)90:100*60=54
0.05*4=0.2
0.12*60=7,2
0.6*90=54