Question

Calculati
a)(-3/7)+(+5/6)+(-8/21)+(+9/14)
b)(+8/15)+(-5/6)+(+3/4)+(-7/18)
c)(-2/8)+(+11/12)+(-7/8)+(+1/6)
d)(+4/9)+(-5/6)+(+3/4)+(-7/18)
e)(-8/21)+(-5/7)+(+17/42)+(+9/14)
f)(-7/24)+(+5/18)(+11/12)+(-4/9)
/-linia de fractie

Answer 1

sper ca te-am ajutat!