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

Toán Lớp 6: A=(-18).(-125).12 B=(-256).43+(-256).25-256.32 C=(-8).25.(-125).2.4.(-5)

Toán Lớp 6: A=(-18).(-125).12
B=(-256).43+(-256).25-256.32
C=(-8).25.(-125).2.4.(-5)

Comments ( 1 )

  1. A , ( – 18 ) . ( – 125 ) . 12
    A = [ ( – 125 ) . 12 ] . ( – 18 )
    A = ( – 1500 ) . ( – 18 )
    A = 27000
    Vậy A = 27000 .
    B , ( – 256 ) . 43 + ( – 256 ) . 25 – 256 . 32
    B = ( – 265 ) . ( 43 + 25 + 32 )
    B = ( – 265 ) . 100
    B = – 25600
    Vậy B = – 25600 .
    C , ( – 8 ) . 25 . ( – 125 ) . 2 . 4 . ( – 5 )
    C = [ ( – 8 ) . ( – 125 ) ] . ( 25 . 4 ) . [ ( 2 . ( – 5 ) ]
    C = 1000 . 100 . ( – 10 )
    C = 100000 . ( – 10 )
    C = – 1000000
    Vậy C = – 1000000 .
     

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