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

Toán Lớp 5: 5 tấn 45 kg = =–..kg 2m 4dm = =–.cm 4000cm ==–…m 30dm = =–…

Toán Lớp 5: 5 tấn 45 kg = ………………….kg
2m 4dm = …………………cm
4000cm =…………………..m
30dm = ………………………m
4hm 5m = ………………dm

Comments ( 2 )

  1. 5 tấn 45 kg = 5045kg
    5 tấn = 5000kg
    5000 + 45 = 5045
    2m 4dm = 240cm
    2m = 200cm
    4dm = 40cm
    200 + 40 = 240
    4000cm = 40m
    30dm = 3m
    4hm 5m = 4050dm
    4hm = 4000dm
    5m = 50dm
    4000 + 50 =4050
     

  2. a ] 5 tấn 45 kg = 5045 kg
    vì 1 tấn = 1000 kg
    b ] 2 m 4 dm = 240 cm
    vì 1 m = 100 cm , 1 dm = 10 cm
    c ] 4000 cm = 40 m
    vì 100 cm = 1 m
    d ] 30 dm = 3 m
    vì 10 dm = 1 m
    e ] 4 hm 5 m = 4050 dm
    vì 1 hm = 1000 dm , 1 m = 10 dm
    linh20112011# hoidap247
     

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