Question

7 8 si 9 dau coroana

Answer 1

Exercitiul 7 :

a ) 1/2+5/6+2/3
Amplific fractile :
1/2 cu 3 si 2/3 cu 2

=> 3/6+5/6+4/6=
(3+5+4)/6=
=12/6=> Raspuns: 2

b) 1/2+3/4=
Amplific fractia 1/2 cu 2
=>2/4+3/4=
(2+3)/4=
R: 5/4
c) 3/8+ 1/4-1/2
Amplific fractile:
1/4 cu 2 si 1/2 cu 4
=>3/8+2/8-4/8
=(3+2-4)/8
R: 1/8
d) 1/10+3/5+1/2
Amplificam fractile :
3/5 cu 2 si 1/2 cu 5
=> 1/10+6/10+5/10
(1+6+5)/10
12/10(2 => 6/5 sper ca te am ajutat dar nu mai pot sa fac iti urez succes in continuare