Question

найдите значение вырожений а) 5 11/12 - 2 1/6-1 3/4
б)(15-4 3/20)-(12-3 8/15)

Answer 1

а)5 11/12 - 2 1/6-1 3/4=1 1/12
1) 5 11/12- 2 1/6=5 11/12-2 2/12=3 9/12
2) 3 9/12-1 3/4=3 3/12- 1 9/12=2 15/12- 1 9/12=1 6/12=1 1/12 

Answer 2

1) 5 22/24 - 2 4/24 - 1 18/24 = 3 18/24 - 1 18/24 = 2

2)(14 20/20 - 4 3/20) - (11 15/15 - 3 8/15) = 10 17/20 - 8 7/15 =

=10 51/60 - 8 28/60 = 2 23/60