Question

1 +(1/2+1/4)*3
1-(1/3+1/2)*5

Answer 1

Ответ:

Пошаговое объяснение:

1 +(1/2+1/4)*3 =

1 +(2/4+1/4)*3=

1 +3/4*3=

1_3/4*3=

7/4*3=

21/4=5_1/4

Answer 2

Ответ:

$1 + ( \frac{1}{2} + \frac{1}{4} ) \times 3 = 1 + ( \frac{3}{2} + \frac{3}{4} ) = 1 + (\frac{6}{4} + \frac{3}{4} ) = 1 + \frac{9}{4} = 1 + 2 \frac{1}{4} = 3 \frac{1}{4}$