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

Toán Lớp 6: 3/2 b^2 – 12b = 0 giúp mk với nha mn

Toán Lớp 6: 3/2 b^2 – 12b = 0
giúp mk với nha mn

Comments ( 2 )

  1. $(=) 3b^2 – 24b = 0$
    $(=) 3b(b-8)=0$
    $(=)b(b-8)=0$
    $(=)b=0 hoac b-8=0$
    $=) b=0 hoac b=8$

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