Найдите значения выражений 11/15*25/33+1 3/4 2 1/16-2/3*7/12 1/2*1 2/3: 10 (1 - 1/2): (1/2 - 1/3)

2 1/16-2/3*7/12
1. 2+1=3  +2   _1_   32. 3/16=(3//16)3. 2/3=(2//3)4. (2//3)*7=(14//3)5. (14//3)/12=(7//18)6. (3//16)-(7//18)=-(29//144)

1/2*1 2/3:10
1. (1//2)*3/3:10  1.1. 1+2=3      +1       _2_       32. (3//2)/3:10  2.1. (1//2)*3=(3//2)3. (1//2):10  3.1. (3//2)/3=(1//2)4. 1//20  4.1. (1//2):10=(1//20)