Question

Ma puate ajuta cineva la exercițiile 2 și 3?
Urget dai coroana​

Answer 1

Sper ca te va ajuta. Succes

Answer 2

Răspuns:

Explicație pas cu pas:

2

a)4/15+2/3=(4+2·5)/15=14/15

b) 16/93+3/31=(16+9)/93=25/93

c)7/32-2/32=5/32

d)23/42-15/42=8/42=4/21

3

a)10/24+5/24=15/24=5/6

b)52/42+39/42=91/42

c)16/60+9/60=25/60=5/12

d)5/24+2/24+9/24=16/24=2/3

e)14/60-9/60=5/60=1/12

f)32/60-27/60=5/60=1/12

g)40/105-12/105=28/105=4/15

h)14/12-9/12-1/12=4/12=1/3