Question

53:3 8/15-15.8+1 5/11 решите пожалуйста !!! 

Answer 1

53 : 3 8/15 - 15,8 + 1 5/11 = 36/55

1) 53 : 3 8/15 = 53 : 53/15 = 53 * 15/53 = 15

2) 15 - 15,8 = - 0,8

3) - 0,8 + 1 5/11 = - 8/10 + 16/11 = - 88/110 + 160/110 = 72/110 = 36/55

Answer 2

53 : 3 8/15 - 15,8 + 1 5/11 = 36/55
1) 53 : 3 8/15  = 53 * 15/53 = 15
2) 15 - 15,8 = - 0,8
3) - 0,8 + 1 5/11 = - 4/5 + 1 5/11 = - 44/55+1 25/55=-44/55+80/55=36/55