1) 1(5,2-3целых 1/3):1целая1/3= 2) 9,8*3,8*1,45/9,5*2,9*0,02= 3) ((3/4*7/11):3/5-1/22:2/31)*22=

1) (5,2 - 3 1/3) : 1 1/3 = (5,2 - 10/3) : 4/3 = (15,6/3 - 10,3) : 4/3 = 5,6/3 : 4/3 = 5,6/3 * 3/4 = 1,4;

2) 9,8 * 3,8 * 1,45/9,5 * 2,9 * 0,02 = 37,24 * 1,45/9,5 * 2,9 * 0,02 = 5,684 / 2,9 * 0,02 =

= 16,4836 * 0,02 =  0,329672;

3) ((3/4 * 7/11) : 3/5 - 1/22 : 2/31) * 22 = (21/44 : 3/5 - 1/22 : 2/31) * 22 = (21/44 * 5/3 -

- 1/22 * 31/2) * 22 = (7/44 * 5/1 - 31/44) * 22 = (35/44 - 31/44) * 22 = 4/44 * 22 = 1/11 * 22 =

= 22/11 = 2.