1) 8,2
2) 1
Пошаговое объяснение:
25,2 : 3 1/2 + (6 - 4 1/3) * 0,6 = 8,2
1) 6 - 4 1/3 = 5 3/3 - 4 1/3 = 1 2/3
2) 25,2 : 3 1/2 = 25,2 : 3,5 = 7,2
3) 1 2/3 * 0,6 = 5/3 * 6/10 = 2/2 = 1
4) 7,2 + 1 = 8,2
(7 - 1 5/12) : 6,7 + (5,75 - 3 1/6) : 15,5 = 1
1) 7 - 1 5/12 = 6 12/12 - 1 5/12 = 5 7/12 = 67/12
2) 5,75 - 3 1/6 = 5 3/4 - 3 1/6 = 5 18/24 - 3 4/24 = 2 14/24 = 2 7/12 = 31/12
3) 67/12 : 6,7 = 67/12 : 67/10 = 67/12 * 10/67 = 10/12 = 5/6
4) 31/12 : 15,5 = 31/12 : 155/10 = 31/12 : 31/2 = 31/12 * 2/31 = 2/12 = 1/6
5) 5/6 + 1/6 = 6/6 = 1
1)2,56/3,2*0,44/0,12*2,25/0,6=11
2.56/3.2*0.44/0.12=1.1264/0.384
1.1264/0.384*2.25/0.6=2.5344/0.2304
2.5344:0.2304=11
2)5,72*3/11=1.56
5 72/100*3/11=572/100*3/11=52*3/100=156/100
156:100=1.56