(-2,8)*(-1/6)=

(-2/5):(-8)=

-3*(-2 3/7)=2X-2 5/7=

(-2)+5*9:(-3)=

-2,8*(-1/6)=2,8*1/6=14/5*1/6=14/30-2/5 :( -8)=2/5:8=2/5 * 1/8=1/5*1/4=1/20-3*(-2 3/7)=3*2 3/7=3*2+3*3/7=6+9/7=6+1 2/7=7 2/72*(-2 5/7)= -(2*2 +2*5/7)= - (4+10/7)= -(4 +1 3/7)=- - 5 3/7-2+5*9:(-3)= -2 -5*3= - 2 -15= -17