Question

repede va implooorrrr

Answer 1

Răspuns:

Explicație pas cu pas:

a)

3,(4) = (34 - 3)/9 = 31/9

15*x = 2*31/9 = 62/9

x = 62/9 : 15 = 62/9 *1/15 = 62/135

b)

0,(1) = 1/9

0,(3) = 3/9 = 1/3

1/9*1/3 = 5x

1/27 = 5x

x = 1/27 : 5 = 1/27 *1/5 = 1/135

c)

3 1/2 = 7/2

x = 12*7/2 = 6*7 = 42