а)0,8*0,5-0,75:3; б)(0,8+0,092):0,5-0,004; в)5,1-(5*0,6+1,4) г)2,6:0,08:2 а)0,14:7+0,4*2,2 б)(0,034+0,66):0,4-0,005 в)9,2-(8*0,5+1,6) г)2,5:0,04:5

а) 8/10 * 5/10 - 75/100 * 1/3 = 2/5 - 1/4 = 8/20 - 5/20 = 3/20;

б) 892/1000 : 5/10 - 4/1000 = 1784/1000 - 4/1000 = 1780/1000 = 1,78;

в) 51/10 - (5 * 6/10 + 14/10) = 51/10 - (30/10 + 14/10) = 51/10 - (30/10 + 14/10) = 7/10 = 0,7;

г) 26/10 : 8/100 : 2 = 26/10 * 100/8 * 1/2 = 130/8 = 16,25;

а) 0,14 : 7 + 0,4 * 2,2 = 14/700 + 4/10 * 22/10 = 2/100 + 88/100 = 90/100 = 0,9;

б) (34/1000 + 66/100) : 4/10 - 5/1000 = 694/1000 * 10/4 - 5/1000 = 694/400 - 2/400 = 692/400 = 173/100 = 1,73;

в) 92/10 - 56/10 = 36/10 = 3,6;

г) 25/10 : 4/100 : 5 = 5/2 * 25/5 = 25/2 = 12,5.