б)1,843 - (8,74 – 3,79)=1,843-4,95= -3,107
в) 5 7/17-(2 1/2-10/17)=92/17-(5/2-10/17)=92/17-65/34=7/2=3 1/2
б)1,843 - (8,74 – 3,79)=1,843-4,95= -3,107
в) 5 7/17-(2 1/2-10/17)=92/17-(5/2-10/17)=92/17-65/34=7/2=3 1/2