Ответы на вопрос:
1: 2 7/9=х+4 2/5х 1: 25/9=5 2/5х 9/25=27/5х х=9/25: 27/5 х=1/15 проверка: 1: 2 7/9=1/15+4 2/5*1/15 9/25=1/15+22/5*1/15 9/25=1/15+22/75 9/25=5/75+22/75 9/25=27/75 9/25=9/25
Популярно: Математика
-
alina374121.09.2022 03:35
-
yyeyheh27.05.2020 17:26
-
alinachaiun05.11.2021 09:24
-
popovamelanaliceysi19.05.2020 12:58
-
АлексаLove0631.01.2020 07:44
-
sanyabuzin04gd22.05.2021 15:18
-
Gulnarhidayetova15.04.2021 19:57
-
Davidggg23.09.2020 03:57
-
NASTIAMURKA08.05.2022 02:50
-
nagibator893067TITAN18.05.2021 07:51