Răspuns :
n×8=288
8n=288
n=36
---------
252÷b=9
252=9b
9b=252
b=28
---------
7×d=441
7d=44„
d=63
--------
8n=288
n=36
---------
252÷b=9
252=9b
9b=252
b=28
---------
7×d=441
7d=44„
d=63
--------