Răspuns:
a) x=72:9= 8
b) x:5=23-13=10 x=5×1 x=50
c)21=x+7 x=21-7=14
d)x=1
e)x=5×8=40
g)2x=5×8=40 x=40:2=20
f)36:x=15-11=4 x=36:4=9
h) x=13×14=182
sper ca ai inteles! succes!
