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

Toán Lớp 6: a) 24 . 27 + 24 . 73 b) 72 : 1/27 + 72 : 1/73

Toán Lớp 6: a) 24 . 27 + 24 . 73
b) 72 : 1/27 + 72 : 1/73

Comments ( 2 )

  1. a) 24 . 27 + 24 . 73
    => 24 . (27 + 73)
    => 24 . 100
    = 2400
    b) 72 : 1/27 + 72 : 1/73
    => 72 . 27 + 72 . 73
    => 72 . (27 + 73)
    => 72 . 100
    = 7200

  2. Giải đáp:+lời giải
    a) 24 . 27 + 24 . 73
    =24.(27+73)
    =24.100=2400
    b) 72:$\frac{1}{27}$ +72:$\frac{1}{73}$
    =72.27+72.73
    =72.(27+73)
    =72.100=7200
    xin hay nhất ạ
     

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

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