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

Toán Lớp 5: 2,1m = -dm 8,3m = …cm 5,27m =- cm 3,15m = …cm

Toán Lớp 5: 2,1m = ….dm
8,3m = …cm
5,27m =…. cm
3,15m = …cm

Comments ( 2 )

  1. 2,1m = 21 dm
    8,3m = 830 cm
    5,27m = 527 cm
    3,15m = 315 cm
    Học tốt!
    $#rosie123$

  2. @Chery
    Ta có : 1m = 10 dm
                1m = 100 cm
    =>  2,1 m = 21 dm
    => 8,3 m = 830 cm
    => 5,27 m = 527 cm
    => 3,15 m = 315 cm

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