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

Toán Lớp 12: câu 1;-0.52:x=-9.36:16.38=???? b,2/7:0.42=2/7:42/100=???

Toán Lớp 12: câu 1;-0.52:x=-9.36:16.38=????
b,2/7:0.42=2/7:42/100=???

Comments ( 2 )

  1. Giải đáp:
     a, suy ra -52/100=-936/1638
    suy ra x=-52.1638/-936.100=52/.1638/52.18.100=0.91
    Lời giải và giải thích chi tiết:
     

  2. -0,52:x=-9.36:16.38
    -0,52:x=769,5
    x=-0,52:769,5
    x=-26/38475
     

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