(7/22+x)+3/11*(x-1/2) -(2/9-x)+5/18*(2/15+x) 7/19*(38--5) - вопрос №7568013722311122951821571938522369 от kirill994 17.09.2020 00:30

Question

Математика: (7/22+x)+3/11*(x-1/2) -(2/9-x)+5/18*(2/15+x) 7/19*(38--5) -2/23*(69+y)+(-7+y) 9/16(4/5-/20-y) -8/21*(7/16+/6+y) 7/18*(27/28+x)+(1/4-x) раскройте скобки и выражение

kirill994 · Answer

-7/22-х+3/11х-3/22=-8/11х-5/11-2/9+х+1/27+5/18х=1 5/18х-5/277/19*38-7/19у+у+5=14+12/19у+5=19+12/19у-2/23*69-2/23*у-7+у=-6-2/23у-7+у=21/23у-139/16*4/5-9/16*у+1/20+у=9/20-9/16у+1/20+у=1/2+7/16у-8/21*7/16-8/21*у-1/6-у=-1/6-8/21у-1/6-у=-1/3-1 8/21у7/18*27/28+7/18*х+1/4-х=3/8+7/18х+1/4-х=5/8-11/18х...