=x+7.8-8.1-x=-0.3
=-6.3+и-9.1-y=-15,4+и-y
=-7.2+m-k+5.3+k=-1.9+m
=в-z-4.8+z+в+4.8=2в
x+7/8-8,1-x
7/8-81/10=-289/40= -7 9/40
=x+7.8-8.1-x=-0.3
=-6.3+и-9.1-y=-15,4+и-y
=-7.2+m-k+5.3+k=-1.9+m
=в-z-4.8+z+в+4.8=2в
x+7/8-8,1-x
7/8-81/10=-289/40= -7 9/40