Ответ: 7/16.
Пошаговое объяснение:
(1 3/4-1 3/4 : 1 1/4)*1 1/4 = 7/16.
1) 1 3/4 : 1 1/4 = 7/4 : 5/4 = 7/4 * 4/5 = (7*4)/(4*5) => сокращаем на 4=>
=7/5 = 1 2/5;
2) 1 3/4 - 1 2/5 => НОК(4;5)=20=> 1 15/20 -1 8/20 = 7/20;
3) 7/20 * 1 1/4 = 7/20 * 5/4 = (7*5)/(20*4) => сокращаем на 5=> 7/16.
Ответ:
7/16
1) 1 3/4 : 1 1/4 = 7/4 : 5/4 = 7/4 * 4/5 = 7/5 = 1 2/5
2) 1 3/4 - 1 2/5 = 1 15/20 - 1 8/20 = 7/20
3) 7/20 * 1 1/4 = 7/20 * 5/4 = 7/4 * 1/4 = 7/16
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Answers & Comments
Ответ: 7/16.
Пошаговое объяснение:
(1 3/4-1 3/4 : 1 1/4)*1 1/4 = 7/16.
1) 1 3/4 : 1 1/4 = 7/4 : 5/4 = 7/4 * 4/5 = (7*4)/(4*5) => сокращаем на 4=>
=7/5 = 1 2/5;
2) 1 3/4 - 1 2/5 => НОК(4;5)=20=> 1 15/20 -1 8/20 = 7/20;
3) 7/20 * 1 1/4 = 7/20 * 5/4 = (7*5)/(20*4) => сокращаем на 5=> 7/16.
Verified answer
Ответ:
7/16
Пошаговое объяснение:
1) 1 3/4 : 1 1/4 = 7/4 : 5/4 = 7/4 * 4/5 = 7/5 = 1 2/5
2) 1 3/4 - 1 2/5 = 1 15/20 - 1 8/20 = 7/20
3) 7/20 * 1 1/4 = 7/20 * 5/4 = 7/4 * 1/4 = 7/16