Номер 9 а_ б .............дам балы

2109+Х=10109 Х=10109-2109 Х=8000 y-954=39000 y=39000+954 y=39954 85300-z=7300 z=85300-7300 z=78000 k+5962=225962 k=225692-5962 k=220000

2109+x=10109 X=10109-2109 X=8000 Y-954=39000 Y=39000-954 Y=38046 85300-z=7300 Z=85300-7300 Z=78000 K+5962=225962 K=225962-5962 K=220000 202×u=8080 U=8080÷202 U=40 V×1200=3600 V=3600÷1200 V=3 6100÷w=305 W=6100÷305 W=20 F÷51=1000 F=1000÷51 F=19.60