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

Toán Lớp 5: 15m vuông 75cm vuông = –m vuông

Toán Lớp 5: 15m vuông 75cm vuông = ……..m vuông

Comments ( 2 )

  1. Km² → hm² → dam² → m² → dm² → cm² → mm² .
    Vì 1 m² =10000 cm² 
    ⇒ 75 cm² =0,0075 m²
    Vậy 15m²75cm²=15+0,0075=15,0075 m² .

  2. Giải đáp:
    15m²75cm²=15,0075m²
    color{pink}\text{Chúc bạn học tốt}

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