Question

2pe 5:[(1pe5-1pe9+4pe9)•1pe2]​

Answer 1

Răspuns:

Explicație pas cu pas:

2/5 : [(1/5 - 1/9 + 4/9)•1/2]

= ​2/5 : [(1/5 + 3/9)•1/2]

= ​2/5 : [(1/5 + 1/3)•1/2]

= ​2/5 : [(3/15 + 5/15)•1/2]

= ​2/5 : (8/15•1/2)

= 2/5 : 4/15

= 2/5•15/4

= 3/2