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

Toán Lớp 9: Giải hộ bác hhhhhhhh votttte0,1 √20000

Toán Lớp 9: Giải hộ bác hhhhhhhh votttte0,1 √20000

Comments ( 2 )

  1. 0,1\sqrt{20000}
    =0,1\sqrt{100^2 .2}
    =0,1.|100|\sqrt{2}
    =10\sqrt{2}
     

  2. 0,1.sqrt{20000}
    =0,1.sqrt{10000.2}
    =0,1.sqrt{100^2 .2}
    =0,1.sqrt{100^2}.sqrt{2}
    =0,1.|100|.sqrt{2}
    =0,1.100.sqrt{2}
    =10sqrt{2}.

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