1) -1\12+2/5=-5/60+24/60=19/60
2) 0.36-0.64=-0.28
3)19/60-(-28/100)=95/300+84/300=179/300
4)179/300-27/15=179/300-(20*27)/300=179/300-540/300=-361/300= - 1целая 61/300
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1) -1\12+2/5=-5/60+24/60=19/60
2) 0.36-0.64=-0.28
3)19/60-(-28/100)=95/300+84/300=179/300
4)179/300-27/15=179/300-(20*27)/300=179/300-540/300=-361/300= - 1целая 61/300