Toán Lớp 3: a. 1,25m = ….. dm
b. 0,1dm = …. mm
c. …… mm = 0,1m
d. ……cm = 0,5dm
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Toán Lớp 3: a. 1,25m = ….. dm
b. 0,1dm = …. mm
c. …… mm = 0,1m
d. ……cm = 0,5dm
Comments ( 2 )
a, $1,25m=12,5dm$
⇒ $1m=10dm -> 1,25m= 1,25.10=12,5dm$
b. $0,1dm = 10mm$
⇒ $1dm=100mm -> 0,1dm = 100. 0,1=10mm$
c. $ 100mm = 0,1m$
⇒ $1m=1000mm-> 0,1m=1000.0,1=10mm$
d. $5cm = 0,5dm$
⇒ $1dm=10cm-> 0,5dm=10. 0,5=5cm$
a, 1,25m = 12,5dm
b, 0,1dm = 10mm
c, 100mm = 0,1m
d, 5cm = 0,5dm
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Công thức:
1m = 10dm = 100cm = 1000mm
1mm = 0,1cm = 0,01dm = 0,001m