Question

Varog multt ajutor!!​

Answer 1

Răspuns:

Explicație pas cu pas:

a)

=14/12

b)

= -3/15

c)

=2/21-³⁾1/7

=2/21-3/21

= - 1/21

-

d)

=³⁾3/16-²⁾9/24

= 9/48- 18/48

= -9/48

-

e)

= -¹⁰⁾7/9+⁹⁾8/10

= -70/90+72/90

= 2/90

-

f)

= -⁵⁾11/12-¹²⁾7/5

= -55/60-84/60

= - 139/60