Răspuns :
a)x/9-1=3/4
x/8=3/4
4x=24
x=6
b)8+1/x=9/5
9/x=9/5
9x=45
x=45/9
x=5
c ul nu se vede clar
x/8=3/4
4x=24
x=6
b)8+1/x=9/5
9/x=9/5
9x=45
x=45/9
x=5
c ul nu se vede clar
Răspuns:
a) ×= 8x3/4= 24/4=6
b) x=5×9/9= 45/9=5
c) x= 21x3/7= 63/7=9.
Cred ca pot primi coroana. :-)