Ответ: 4.
Пошаговое объяснение:
(2 1/4+4 5/6) : 3 2/5-3/4÷3/5 =
1) 2 1/4+4 5/6 => НОК(4;6)=12 =>
2 3/12 + 4 10/12 = 6 13/12 = 7 1/12;
2) 7 1/12 : 3 2/5 =85/12 : 17/12 = 85/12 * 12/17 = (85*12)/(12*17) = 5;
3) 3/4 : 3/5 = (3/4) * (5/3) = 1.25;
4) 5:1.25 = 4.
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Answers & Comments
Ответ: 4.
Пошаговое объяснение:
(2 1/4+4 5/6) : 3 2/5-3/4÷3/5 =
1) 2 1/4+4 5/6 => НОК(4;6)=12 =>
2 3/12 + 4 10/12 = 6 13/12 = 7 1/12;
2) 7 1/12 : 3 2/5 =85/12 : 17/12 = 85/12 * 12/17 = (85*12)/(12*17) = 5;
3) 3/4 : 3/5 = (3/4) * (5/3) = 1.25;
4) 5:1.25 = 4.