Ответ:
Пошаговое объяснение:
2 1/2+4 1/2:(3 2/5-1 1/2: у)= 4 1/6
4 1/2:(3 2/5 - 1 1/2 : y) = 4 1/6 - 2 1/2
4 1/2:(3 2/5 - 1 1/2 : y) = 4 1/6 - 2 3/6
4 1/2:(3 2/5 - 1 1/2 : y) = 1 2/3
3 2/5 - 1 1/2 : y = 4 1/2 : 1 2/3
3 2/5 - 1 1/2 : y = 9/2 * 3/5
3 2/5 - 1 1/2 : y = 2 7/10
1 1/2 : y = 3 2/5 - 2 7/10
1 1/2 : y = 3 4/10 - 2 7/10
1 1/2 : y = 7/10
y = 1 1/2 : 7/10
y = 3/2 * 10/7
y = 15/7
y = 2 1/7
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Answers & Comments
Ответ:
Пошаговое объяснение:
2 1/2+4 1/2:(3 2/5-1 1/2: у)= 4 1/6
4 1/2:(3 2/5 - 1 1/2 : y) = 4 1/6 - 2 1/2
4 1/2:(3 2/5 - 1 1/2 : y) = 4 1/6 - 2 3/6
4 1/2:(3 2/5 - 1 1/2 : y) = 1 2/3
3 2/5 - 1 1/2 : y = 4 1/2 : 1 2/3
3 2/5 - 1 1/2 : y = 9/2 * 3/5
3 2/5 - 1 1/2 : y = 2 7/10
1 1/2 : y = 3 2/5 - 2 7/10
1 1/2 : y = 3 4/10 - 2 7/10
1 1/2 : y = 7/10
y = 1 1/2 : 7/10
y = 3/2 * 10/7
y = 15/7
y = 2 1/7