2,5hm+12dam+10.000cm= m

2,5hm+12dam+10.000cm=
=(2,5×100)+(12×10)+(10.000÷100)
=250+120+100
=470m

2,5 x 100 = 250
12x10=120
10.000 : 100 =100
2,5 hm = 250 m.
12 dam = 120 m
10.000 cm =100 m
= 250 m + 120 m + 100 m = 470 m..