B4:
a.4m25cm=.........................m h.2m 6dm 3cm=............................m
b.249dm=..........................m k.13cm=.........................dm
c.4dm4mm=..................dm m.45dam=.................................km
d.90m=.................km n.176cm=...............................m
e.26m8cm=......................m p.2488dm=.................................m
g.543m=........................hm q.1/2dm=...................................m
B5:
a.2,56km=...........................km............................m
b.7,046m=....................m.......................dm................cm
c.0,45km=...........................m
d.7500m=..................km
help help nhanh nhanh vs mn ưiiii
5ph th ặ
