В_________С_________А , А (4 3/11) и С (-1 2/5)
(-1 2/5) А (4 3/11)
AC= =
АВ=2*АС=2* =2*5+ =10+ =10+ =
АВ= .
АВ = 11 19/55
Пошаговое объяснение:
В,(-7 4/55) ,С (-1 2/5) ,А(4 3/11)
АС = А - С = 4 3/11 - (-1 2/5) = 4 3/11 + 1 2/5 = 5 37/55
АС = ВС = 5 37/55
АВ = 5 37/55 + 5 37/55 = 10 74/55 = 11 19/55
В = -1 2/5 - 5 37/55 = -6 59/55 = -7 4/55
В_________С_________А , А (4 3/11) и С (-1 2/5)
(-1 2/5) А (4 3/11)
AC=
= ![\displaystyle 4\frac{3}{11} +1\frac{2}{5} = 4\frac{15}{55} +1\frac{22}{55} =](/tpl/images/2011/7638/8479e.png)
![\displaystyle 5\frac{37}{55}](/tpl/images/2011/7638/0731f.png)
АВ=2*АС=2*
=2*5+
=10+
=10+
= ![\displaystyle 11\frac{19}{55}](/tpl/images/2011/7638/03f67.png)
АВ=
.
АВ = 11 19/55
Пошаговое объяснение:
В,(-7 4/55) ,С (-1 2/5) ,А(4 3/11)
АС = А - С = 4 3/11 - (-1 2/5) = 4 3/11 + 1 2/5 = 5 37/55
АС = ВС = 5 37/55
АВ = 5 37/55 + 5 37/55 = 10 74/55 = 11 19/55
В = -1 2/5 - 5 37/55 = -6 59/55 = -7 4/55