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

Toán Lớp 6: 600:{450-[450-(4.5 mũ 3 -2 mũ 3 . 5 mũ 2 ) ]}

Toán Lớp 6: 600:{450-[450-(4.5 mũ 3 -2 mũ 3 . 5 mũ 2 ) ]}

Comments ( 2 )

  1. Giải đáp:
     
    Lời giải và giải thích chi tiết:
     600:{450-[450-(4.5^{3} – 2^{3} . 5^{2})]}
    = 600:{450 – [450 – ( 4.125 – 8 . 25 )]}
    =600:{450-[450-(500 – 200)]}
    =600:{450-[450-300]}
    =600:{450-150}
    =600:300
    =2

  2. 600:{450-[450-(4.5^3 -2^3 . 5^2 ) ]}
    = 600 : {450 – [450 – (4.125 – 8 . 25)]}
    = 600 : {450 – [450 – (500 – 200)]}
    = 600 : {450 – [450 – 300]}
    = 600 : {450 – 150}
    = 600 : 300
    = 2
     

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

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