Пошаговое объяснение:
2) x1=(1+3)/1^3=4, x2=(2+3)/2^3=5/8, x3=(3+3)/3^3=6/27=2/9
x4=(4+3)/4^3=7/64, x5=(5+3)/5^3=8/125
4) A(2;4;5), B(-3;2;2) середина M(x;y;z)
x=(2-3)/2=-1/2, y=(4+2)/2=3, z=(5+2)/2=3,5, M(-1/2;3;3,5)
