3/4:(1/4-5/4)+(5/6-7/12)×62/3 Алгебра

Question

3/4:(1/4-5/4)+(5/6-7/12)×62/3
Алгебра

Comments

62/3 - это неправильная дробь или 6 целых 2/3?

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2/3

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6 целых 2/3

Answer 1

3/4 : (1/4 - 5/4) + (5/6 - 7/12) * 6 2/3 = 11/12

1) 1/4 - 5/4 = - 4/4 = - 1
2) 5/6 - 7/12 = 10/12 - 7/12 = 3/12 = 1/4
3) 3/4 : (-1) = - 3/4
4) 1/4 * 6 2/3 = 1/4 * 20/3 = 20/12
5) -3/4 + 20/12 = 20/12 - 3/4 = 20/12 - 9/12 = 11/12