Unnimeni200711ask
a fost răspuns

(1 - 1/5)×3/5-1/5=
(1/5 + 6):3/5 1-1=
(1/4+1/4)×7/12+1=
(1/2-1/3)×1/6-13=
1/3(1/6-1/5)+1=​

Răspuns :

User199ask

Răspuns:

(5/5-1/5)x3/5-1/5=4/5x3/5-1/5=12/25-5/25=7/5

(1/5+30/5)x5/3=31/5x5/3=31/3

2/4x7/12+1=14/48+1/1=14/48+48/48=62/48

(3/6-2/6)x1/6-13=1/6x1/6-13=1/36-13/1=1/36-468/36=

= - 467/36

1/3(5/30-6/30)+1=1/3(-1/30)+1= - 1/90+1/1= = - 1/90+90/90=89/90