Uy sharoitida bitta cho‘g‘lanma lampa energiyani tejovchi lampaga almashtirilsa, bir yilda 53 kg ko‘mir tejaladi va 105 kg zaharli is gazining atmosferaga tarqalishining oldi olinadi. agar 6 ta lampa almashtirilsa-chi?
159
425
Популярно: Математика
-
kirya45109.06.2022 18:29
-
revati115.10.2020 10:48
-
aydansuper1215.02.2022 14:34
-
GoldTask13.10.2020 05:59
-
LIBOVALEmail21.03.2020 15:30
-
дарий83311.03.2023 07:58
-
Pon4ik6615.01.2022 01:01
-
lesnyxalex09.01.2022 23:45
-
lour117.03.2021 04:50
-
Totiva21.06.2023 00:50