Răspuns :
a) 45 x 1002 = 1002 x 45
b) 54 x 38 x 0= 45 x 0 x 33
c) 25 x 43 - 25 x 15 = 25 x (43 - 25 -15 )
b) 54 x 38 x 0= 45 x 0 x 33
c) 25 x 43 - 25 x 15 = 25 x (43 - 25 -15 )