Ответ:
Пошаговое объяснение:
1 . а) 22/45 * 5/11 = ( 22 * 5 )/( 45 * 11 ) = 2/9 ;
б) 14 * 8/21 = ( 14 * 8 )/21 = 16/3 = 5 1/3 ;
в) 3 3/14 * 7 = 45/14 * 7/1 = 45/2 = 22 1/2 ;
г) 5 2/3 * 3 2/5 = 17/3 * 17/5 = 289/15 = 19 4/15 .
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Ответ:
Пошаговое объяснение:
1 . а) 22/45 * 5/11 = ( 22 * 5 )/( 45 * 11 ) = 2/9 ;
б) 14 * 8/21 = ( 14 * 8 )/21 = 16/3 = 5 1/3 ;
в) 3 3/14 * 7 = 45/14 * 7/1 = 45/2 = 22 1/2 ;
г) 5 2/3 * 3 2/5 = 17/3 * 17/5 = 289/15 = 19 4/15 .