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

Toán Lớp 4: 2km 3hm 4dam 7m = –m 2783= -km-hm-.dam-.m

Toán Lớp 4: 2km 3hm 4dam 7m = ……..m
2783= ….km….hm…..dam…..m

Comments ( 2 )

  1. *Ta có: 2km=2000m ;3hm=300m ;4dam=40m 
    ->2km3hm4dam7m=2000+300+40+7=2347m
    *Ta có: 2783m=2km7hm8dam3m
    $\text{#Trang}$

  2. Giải đáp:
     
    Lời giải và giải thích chi tiết:
    1km=1000m=>2km =2000m
    1hm=100m=>3hm=300m
    1dam=10m=>4dam=40m
    nên :2km 3hm 4dam 7m =2347.m
    2783=2000+700+80+3
    vì 1000m=1km=>2000m=2km
    100m=1hm=>700m=7hm
    10m=1dam=>80m=8dam
    =>2783= 2km7hm8dam.3m

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

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