Question

daaauuuu coroană?!!!!!!!!!!!​

Answer 1

Explicație pas cu pas:

a) 3/2+5/2=8/2

8/2× 4/15

( inmultim numitori cu numitori si numaratori cu numaratori)

32/30

(simplificam prin 2)

16/15

b)5/6+1/6=6/6

6/6×4/5=24/30

(simplificam prin 2)

6/15

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

5/5×3/2=15/10

(simplificam prin 5)

3/2

d)10/3-2/3=8/3

8/3÷ 4/5

( inversam fractia!!)

8/3× 5/4

( simplificam 8 cu 4)

2/3×5/1

10/3