1) (4 1/9 * 3 3/10 + 126 13/30)* 1 5/10 : 60=3,5.
а.4 1/9 * 3 3/10= 37/9*33/10= 407/30;
б. 407/30 + 126 13/30= 126 420/30= 140;
в. 140/1 * 15/10= 210;
г. 210:60=3,5.
2)(207/100 * 40/9 - 775/100)*80: 23,2=5;
а. 207/100 * 40/9=9,2;
б.9,2-7,75=1,45;
в.1,45*80=116;
г.116:23,2=5.
3)(363/10 * 7/11 + 29/10): 0,52*19=950;
а.363/10 * 7/11=23,1;
б.23,1+2,9=26;
в.26:0,52= 50;
г.50*19=950.
4)(377/22 : 29/66 - 36,75)* 60=135.
а.377/22 : 29/66= 377/22 * 66/29= 39;
б.39-36,75= 2,25;
в.2,25*60=135.