Ответы на вопрос:
B) 2 1/3 - 1 2/3x = 1 5/21
-1 2/3x = 1 5/21 - 2 1/3
-1 2/3x = - 23/21
x = 23/35
в) (8/15 + 2/9у) : 3/5 = 2
5 (8/15 + 2/9у) = 6
8/15 + 2/9у = 6/5
2/9у = 10/15
у = 3
-1 2/3x = 1 5/21 - 2 1/3
-1 2/3x = - 23/21
x = 23/35
в) (8/15 + 2/9у) : 3/5 = 2
5 (8/15 + 2/9у) = 6
8/15 + 2/9у = 6/5
2/9у = 10/15
у = 3
Популярно: Математика
-
deniskakuzovle06.04.2022 02:31
-
noragami200322.06.2021 04:26
-
Жизель2431.08.2022 10:40
-
BaVeRSB14.08.2022 06:23
-
Еленка87117.09.2022 16:07
-
f0xsick15.08.2022 13:37
-
lolkek696928.08.2022 11:27
-
kallor1218.09.2020 19:39
-
Женька259714.06.2022 05:29
-
kerimagaevakk15.04.2022 22:06