Question

buna ma poti ajuta? Calculati :
a) - 1/2 - 2/3
-2,5 - 0
-2/3 - 0,35
b) -3/4 - 2/3
-21/4 - 0
-3/2 - 0,35

Answer 1

a)-1/2-2/3-2,5-0-2/3-0,35=
  =-1/2-4/3-5/2-35/100=
  =-6/2-4/3-7/20=
  =-3-(4*20+7*3)/60
=-3-(80+21)/60=-3-101/60=-4intreg 41/60
b)-3/4-2/3-21/4-0-3/2-0,35=
=-(3+21)/4-(2*2+3*3)/6-7/20=
=-24/4-15/6-7/20=-6-5/3-7/20=
=-6-(5*20+7*3)/60=-6-(100+21)/60=
-6-121/60=8intreg 1/60