X+9,34=12 5/12-у=0,15 4,65+у=7,8 х-3,2=2 7/15 - вопрос №7810224934125120154657832271556578471225 от Vilgam 15.01.2022 08:52

Question

Математика: X+9,34=12 5/12-у=0,15 4,65+у=7,8 х-3,2=2 7/15 х+5,65=7,8 4 7/12-у=2,5 решите ! 111111111

Vilgam · Answer

Х+9,34=12х=12-9,34х=2,665/12-у=0,155/12-у=15/100у=5/12-15/100у=250/600-90/600у=160/600=4/154,65+у=7,8у=7,8-4,65у=3,15х-3,2=2 7/15х=2 7/15+3 2/10х=37/15+32/10х=74/30+96/30х=170/30=5 2/3х+5,65=7,8х=7,8-5,65х=2,154 7/12-у=2,555/12-у=25/10у=55/12-25/10у=275/60-150/60у=125/60=2 1/12...