varog ajutor dau 100 like

Varog Ajutor Dau 100 Like class=

Răspuns :

a) 1,5+x=2
x=2-1,5
x=0,5
b) 2x-3=-2
2x=-2+3
2x=1
x=1:2
x=0,5
c) (2x+1/3):4=1/3
2x+1/3=4/3
2x=5/3
x=5/6
x=0,8
d) 7,2:x=3,6
7,2=3,6x
x=2