Question

Exercițiul 3 . Mulțumesc

Answer 1

a) x=9 (treci in partea cealalta a egalului cu sens opus)
b)x=5/6
c)x=1/2+1=3/2
d)x=2/3+7/11(amplifici fractia 2/3 cu 11, si fractia 7/11 cu 3)= 43/33
e)x=2-5/4=3/4
f)x=20/9-2/9=18/9=2
g) x=15/6-2=(15-12)/6=3/6=1/2
h) x= 3/2-2/3= 5 /6