Question

ПОМОГИТЕ ПОЖАЛУЙСТА НЕ УСПЕВАЮ!!!!!!!!!!!!!!!!!!!!!!!
УПР86

Answer 1

Ответ:

Пошаговое объяснение:

4 5/6 + 2 3/8 = 4 20/24 + 2 9/24 = 6 29/24 = 7 5/24

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7 5/18 - 1 7/12 = 7 10/36 - 1 21/36 = 6 46/36 - 1 21/36 = 5 25/36

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3 4/9 + 2 2/7 = 3 28/63 + 2 18/63 = 5 46/63

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5 3/14 - 1 1/21 = 5 9/42 - 1 2/42 = 4 7/42 = 4 1/6

Answer 2

Ответ:

85.

а)

$1 - \frac{4}{9} = \frac{9 - 4}{9} = \frac{5}{9} = 0.5$

б)

$1 + 1 \frac{5}{6} = 1 + \frac{11}{6} = \frac{17}{6} = 2.83$

в)

$7 - \frac{3}{8} = \frac{56 - 3}{8} = \frac{53}{8} = 6 \frac{5}{8} = 6.625$

г)

$4 - 3 \frac{3}{4} = 4 - \frac{15}{4} = \frac{1}{4} = 0.25$

86.

а)

$4 \frac{5}{6} + 2 \frac{3}{8} = \frac{29}{6} + \frac{19}{8} = \frac{173}{24} = 7 \frac{5}{24} = 7.2$

б)

$7 \frac{5}{18} - 1 \frac{7}{12 } = \frac{131}{18} - \frac{19}{12} = \frac{205}{36} = 5 \frac{25}{36} = 5.694$

в)

$3 \frac{4}{9} + 2 \frac{2}{7} = \frac{31}{9} + \frac{16}{7} = \frac{361}{63} = 5 \frac{46}{63} = 5.7$

г)

$5 \frac{3}{14} - 1 \frac{1}{21} = \frac{73}{14} - \frac{22}{21} = \frac{25}{6} = 4 \frac{1}{6} = 4.16$