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

Toán Lớp 3: tính 32m x4 – 2dam . 5hm:5-20m

Toán Lớp 3: tính 32m x4 – 2dam . 5hm:5-20m

Comments ( 2 )

  1. 32m xx 4 – 2dam
    = 32m xx 4 – 20m
    =  128m – 20m 
    = 108m
    5hm : 5 – 20m
    = 500m : 5 – 20m
    = 100m – 20m
    = 80m
     

  2. Giải đáp
    -1892m
    Giải thích
    32m x4 – 2dam . 5hm:5-20m
    =128 – 20m . 500m:5-20m
    =128m – 10 000m:5-20m
     =128m – 2000m-20m
    = -1878m-20m
    = -1892m

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

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