9/14. (-2 1/3) + (-3 3/4).5/6

Question

Алгебра

Герий

6 марта, 14:15

9/14. (-2 1/3) + (-3 3/4).5/6

+4

Ответы (1)

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Влалимир · Answer 1

9/14 * (-2 1/3) + (-3 3/4) * 5/6 = - 4 5/8

1) 9/14 * (- 2 1/3) = 9/14 * (-7/3) = - (3*1) / (2*1) = - 3/2 = - 1 1/2

2) (-3 3/4) * 5/6 = - 15/4 * 5/6 = - (5*5) / (4*2) = - 25/8 = - 3 1/8

3) - 1 1/2 + (-3 1/8) = - (1 4/8 + 3 1/8) = - 4 5/8

Ответ: (-4 целых 5/8).