SOS!!!!!Номер 1554 два пункта

Question

SOS!!!!!Номер 1554 два пункта

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Answer 1

1) 50%, 25%, 20%. 2)3/20; 8/125; 7/20; 1целая4/25; 1целая1/20; 2цел1/5 3) 85%, 44%, 42%, 5%, 74%, 150%, 160%, 212%.