(5х+2х)*14=294 (12у-5у): 4=21 (19х+6х): 35=5 234: - вопрос №323348252142941254211963552342183 от iuliaminakowa 28.08.2022 09:05

Question

Математика: (5х+2х)*14=294 (12у-5у): 4=21 (19х+6х): 35=5 234: (21y-8y)=3

iuliaminakowa · Answer

(5х+2х)*14=2947х=294/147х=21х=21/7х=3(12у-5у):4=217у=21*47у=84у=84/7у=12 (19х+6х):35=525х=5*3525х=175х=175/25х=7 234:(21y-8y)=313у=234/313у=78у=78/13у=6...