Toán Lớp 5: a, 2m2 5dm2=………… m2 502dm2=…………… m2 7km2 36hm2=………… km2 b, 630cm2 =…………………dm2 5m2 17dm2=………………m2 1720dm2=…………………m2

Question

Toán Lớp 5:  a, 2m2 5dm2=………… m2  502dm2=…………… m2 7km2 36hm2=………… km2 b, 630cm2 =…………………dm2 5m2 17dm2=………………m2 1720dm2=…………………m2

myngocla · Answer

a, 2m&sup2; 5dm&sup2;=   2,05   m&sup2;     502dm&sup2;=   5,02   m&sup2;     7km&sup2; 36hm&sup2;=   7,36   km&sup2;    b, 630cm&sup2; =    6,3   dm&sup2;    5m2 17dm&sup2;=   5,17   m&sup2;     1720dm&sup2;=   17,2   m&sup2;

hatuanlan · Answer

Giải th&iacute;ch:      a,  2m^25dm^2=25/100m^2=2,05m^2   502dm^2=502/100m^2=5,02m^2   7km^236hm^2=736/100km^2=7,36km^2    b,  630cm^2=630/100dm^2=6,3dm^2   5m^217dm^2=517/100m^2=5,17m^2   1720dm^2=1720/100m^2=17,2m^2      Han@         *Ch&uacute;c bạn học tốt         *Cho m&igrave;nh 5 sao v&agrave; 1 cảm ơn nh&eacute;         *Xin hay nhất cho nh&oacute;m ạ