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

Toán Lớp 6: a, F = {100;101;102;…;999}; b, E ={1;2;3;4;5;6;7;}.

Toán Lớp 6: a, F = {100;101;102;…;999}; b, E ={1;2;3;4;5;6;7;}.

Comments ( 2 )

  1. a) F={ x∈N | 100≤x≤999 }
    b) E={ x∈N* | x<8 }
    #Huy

  2. Giải đáp+Lời giải và giải thích chi tiết:
    a, F = {100;101;102;…;999};
    → F={x∈N|99<x<1000}
    b, E ={1;2;3;4;5;6;7;}.
    → E={x∈$N^{*}$ |x<8}

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