George5557ask
a fost răspuns

a:7=21rest4, 152:a=3rest 2 acum​

Răspuns :

Beea2289ask
a:7=21 rest 4
a=21x7+4
a=147+4
a=151
152:a=3 rest 2
(152-2):a=3
150:a=3
a=150:3
a=50




Coroana?
Graykittyask

a= 7×21+4

a=151

152=a×3+2

150=3a

a=150:3

a=50

Succes!