Question

Exercitiul 4 dau coroana.

Answer 1

e usor frate .atata stiu. ma bucur ca te-am ajutat

Answer 2

1.2/7+1/7+3/7+4/7=10/7 1/8+1+3/8+4/8=2 1-(2/6+4/6-3/6)=3/6                        2.x+3/9=6/9-1/9  x+3/9 =5/9 x=5/9-3/9  x=2/9  x-8/12=5/12+1 x-8/12=17/12      x=17/12+8/12   x=25/12  7/5-(2/5+x)=1 7/5-(2/5+x)=5/5 2/5+x=7/5-2/5  
2/5+x=2/5  x=2/5-2/5 x=0 coroana pls