Question

grupeaza convenabil factorii pentru a calculs rapid.

4*32*25= 5*8*2*9=
2*54*3*5=

Answer 1

4*32*25= (4*25)*32=100*32=3200
5*8*2*9= (5*2)*(8*9)=10*72=720
2*54*3*5=(2*5)*(54*3)=10*162=1620

Answer 2

32x25x4=

800x4=3200 
;)