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

Toán Lớp 5: A 35m=. – m b 0,75 Tấn=-.kg C 25cm²=..

Toán Lớp 5: A 35m=. …. m b 0,75 Tấn=…..kg C 25cm²=………..m² d 500g= ………kg

Comments ( 2 )

  1. a) 35m= 35m
    Vì 1m = 1m nên 1 × 35 = 35m
    b) 0,75 Tấn= 750 kg
    Vì 1 tấn = 1000 kg nên 1000 x 0,75 = 750kg
    c) 25cm² = 0,0025m²
    Vì 1m² = 10000cm² nên 25 : 10000 = 0,0025m²
    d) 500g= 0, 5kg
    Vì 1kg = 1000g nên 500 : 1000 = 0,5kg

  2. a, 0,35m                              b, 750kg
    c, 0,0025m vuông                d, 0,5 kg

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

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