Question

(1. 1/12+1.5/8)*(-1.11/13)-(1.1/12-1.5/8)*1.7/26= пож по действиям

Answer 1

1)1. 1/12+1. 5/8=13/12+13/8=26/24+39/24=65/24=2. 17/24, 2)-1. 11/13*2. 17/24=-24/13*65/24=-65/13=-5, 3)1. 1/12-1. 5/8=13/12-13/8=26/24-39/24=-13/24, 4)-13/24*1. 7/26=-13/24*33/26=-33/48=-11/16, 5)-5-(-11/16)=-5+11/16=-80/16+11/16=-69/16=-4. 5/16