А)2 цел. 1\7 х 2 цел. 4\5; б) 2 цел. 1\16 : 2 цел. 5\14;
в) 3 цел. 1\6 : 2 цел. 1\9 х 1 цел. 5\9;
решите по действиям,даю 10 баллов
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