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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 3: 64m 25cm=…M 3,6 tấn =…kg 74cm 3mm=…cm 50g=…kg 1032mn =…M

Toán Lớp 3: 64m 25cm=…M
3,6 tấn =…kg
74cm 3mm=…cm
50g=…kg
1032mn =…M

Comments ( 2 )

  1. 64m 25cm = 6425cm = 64,25 m
    3,6 tấn = 3600 kg
    74cm 3mm = 743mm = 74,3cm
    50g = 0,05 kg
    1032mm = 1,032m
     

  2. 64m 25cm = 64m + 25/100m = 64m + 0,25m = 64,25m
    3,6 tấn = 3,6 xx 1000 = 3600kg
    74cm 3mm = 74cm + 3/10cm = 74 + 0,3cm = 74,3cm
    50g = 50 : 1000 = 0,05kg
    1032mm = 1032 : 1000 = 1,032m
    #dtkc
     

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222-9+11+12:2*14+14 = ? ( )