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ayezabivnayalol
@ayezabivnayalol
August 2022
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9. Найдите верную пропорцию.
а) 2:5=4:12; б) 3:7=9:27;
в) 5:2=12:4; г) 12:5=2:4.
10. Найти неизвестный член пропорции:
х/7=1/7:1/2 х:7=1/7:1/2
а) 2; б) 7; в) 1/7; г) 2/7.
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Amigo3
Ответ:
9) верных нет
10) х/7=2/7 или х=2.
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Answers & Comments
Ответ:
9) верных нет
10) х/7=2/7 или х=2.