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Degradant81
Degradant81
30.06.2021 16:53 •  Математика

Сумма трех чисел, каждое из которых больше предыдущего на 5, равна 75. найдите последнее число. !

👇
Ответ:
proovdnik
proovdnik
30.06.2021
20+25+30=75 как то так
4,8(9 оценок)
Ответ:
Nikalusha
Nikalusha
30.06.2021
Х-  -1число
х+5=  2число
х+5+5-  3число
х+х+5+х+5+5=75
3х+15=75
3х=75-15
3х=60
х=20            1 число

х+5=25      2число
х+5+5=30    3число
4,4(6 оценок)
Открыть все ответы
Ответ:
tseng7788
tseng7788
30.06.2021

Пошаговое объяснение:

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4,6(44 оценок)
Ответ:
arkadyhmp074l6
arkadyhmp074l6
30.06.2021
Укр. со́нце, др.-русск. сълньце, ст.-слав. слъньце ἥλιος (Остром., Супр.), болг. слъ́нце, сербохорв. су̑нце, словен. sо̑lnсе, чеш. slunce, слвц. slnce, польск. sɫоńсе, в.-луж. sɫónco, н.-луж. sɫуńсо.

Праслав. *sъlnьсе – уменьш. образование от *sъlnь, ср. по́солонь (см.), ст.-слав. бесльньнъ ἀνήλιος (Супр.), а также солнопёк, солноворо́т (Френкель, ZfslPh 13, 212). Образование аналогично се́рдце (Брандт, РФВ 24, 189). Родственно лит. sáulė "солнце", лтш. saũle, др.-прусск. saule, др.-инд. svar- ср. р., вед. súvar, род. п. sū́ras ср. р. "солнце, свет, небо", sū́ras, sū́rуаs "солнце", авест. hvarǝ, род. п. χvǝŋg ср. р. "солнце, солнечный свет", гот. sauil "солнце", кимр. haul, лат. sōl ср. р., греч. ἥλιος, гомер. ἠέλιος, дор. ἀ̄έλιος (и.-е. *sāvel), алб. hyll, уll "звезда" (*sūl-), далее сюда же гот. sunnô ж., д.-в.-н. sunnа "солнце", древняя и.-е. основа на -l : -n (см. Френкель, KZ 63, 168; Траутман, ВSW 251; Шпехт 9; М.–Э. 3, 773; Кречмер, KZ 31, 351; Педерсен, KZ 32, 256; Kelt. Gr. I, 62; Уленбек, Aind. Wb. 355; Г. Майер, Alb. Wb. 460; Отрембский, LР I, 337; Гофман, Gr. Wb. 107; Вальде–Гофм. 2, 553 и сл.). Относительно слав. *sъlnьсе как ласкат. образования ср. Хаверс 84 и сл.
4,5(93 оценок)
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