А)5:0,6= в)0,178:0,15= д)1,05:12= б)18:1,3= г)0,029:3,7= е)18,3524:2,134=

А) 5 : 0,6 =5 : 6/10 = 5 * 10/6 = 50/6 = 25/3;

в) 0,178 : 0,15 =178/1000 : 15/100 = 178/1000 * 100/15 = 178/150;

д) 1,05 : 12 =105/100 : 12 = 7/80;

б) 18 : 1,3 =18 : 13/10 = 18 * 10/13 = 180/13;

г) 0,029 : 3,7 =29/1000 : 37/10 = 29/100 * 37 = 29/3700;

е) 18,3524 : 2,134 = 183524/10000 : 2134/1000 = 183524/10000 * 1000/2134 = 86/10 = 8,6.