=2 40/100=2 2/5 м.......................................................................
Вх4+98=300-86
Вх4+98=214
Вх4=214-98
Вх4=116
В=116:4
В=29
256-16+3+14=257
х+32 + у+13=х+у+45
а+98 +49=а+ 147
m-98+ n+56=m+n-42