Ответы на вопрос:
А) 3/5+3/7+9/7*4/15 = 1 13/35 9/7*4/15 = 12/353/5+3/7+12/35 = 21/35+15/35+12/35= 48/35 = 1 13/35 б) (7/8-1/6): 2/9*21/22 = 3 39/176 7/8-1/6 = 21/24 - 3/24 = 18/24 = 3/4 3/4: 2/9 = 3/4*9/2=27/8 27/8*21/22 = 567/176 = 3 39/176
Популярно: Математика
-
anton28060509.02.2023 13:13
-
aknurrakhmanber11.03.2021 19:19
-
badmaks0001.07.2022 12:13
-
lemon23402.10.2020 19:20
-
DiMOn4iK2528.06.2022 06:03
-
alenalebedeva219.03.2022 00:19
-
pazyny24.04.2023 16:32
-
MasterPvP201611.02.2020 03:51
-
Arisha5401.01.2020 12:00
-
HellyHopta31.01.2022 09:07