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

Toán Lớp 5: 19 x 82 + 18 x1 9 15 : 3 + 45 : 3 + 27 : 3

Toán Lớp 5: 19 x 82 + 18 x1 9 15 : 3 + 45 : 3 + 27 : 3

Comments ( 2 )

  1. a)
    19 x 82 + 18 x 19
    = 19 x ( 82 + 18 )
    = 19 x 100
    = 1900
    b)
    15 : 3 + 45 : 3 + 27 : 3
    = ( 15 + 45 + 27 ) : 3
    = 87 : 3
    = 29
     

  2. Giải đáp:
    19 x 82+18 x19=19×(82+18)
                            =19×100
                            =1900.
    15:3+45:3+27:3=5+15+9
                             =20+9
                             29.
    #Quynhbanhcheo
    Xin câu trả lời hay nhất nếu bạn thích!
     

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

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