Y-9/20=5/8-3/10 x-3/5=2/9 p+3/20=7/12+1/9 - вопрос №860699192058310352932071219 от sofiy12grazdovskava 24.05.2021 09:54

Question

Математика: Y-9/20=5/8-3/10 x-3/5=2/9 p+3/20=7/12+1/9

sofiy12grazdovskava · Answer

У - 9/20=5/8 - 3/10у=5/8-6/20+9/20у=5/8+3/20у=25/40 - 6/40у=19/40х - 3/5=2/9х=2/9+3/5х=10/45+27/45х=37/45р +3/20=7/12+1/9р +3/20=21/36+4/36р+ 3/20=25/36р=25/36 - 3/20р=125/180+27/180р=152/180=38/45...