3 2/7 * (-7/5) - (-8) * 3 = -23/5 + 24 = -4 3/5 + 24 = 19 2/5 = 19,4
25/10 : (-2/3) = 25/10 * (-3/2) = - 75/20 = - 3 15/20 = - 3,75
3 2/7 * (-7/5) - (-8) * 3 = -23/5 + 24 = -4 3/5 + 24 = 19 2/5 = 19,4
25/10 : (-2/3) = 25/10 * (-3/2) = - 75/20 = - 3 15/20 = - 3,75
1)3 2/7*(-7/5)=23/7*(-7/5)= -23/5
2)-8*3= -24
3) -23/5-(-24)= -4 3/5+24=24-4 3/5=23 5/5-4 3/5=19 2/5