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

Toán Lớp 6: a) a ∈ U (18), a > 4 b) b ∈ B (6), b ≤ 36 c) a ∈ U(28), a < 8 d) b ∈ B ( 8 ), b < 40

Home/ Toán Lớp 6: a) a ∈ U (18), a > 4 b) b ∈ B (6), b ≤ 36 c) a ∈ U(28), a < 8 d) b ∈ B ( 8 ), b < 40

Toán Lớp 6: a) a ∈ U (18), a > 4 b) b ∈ B (6), b ≤ 36 c) a ∈ U(28), a < 8 d) b ∈ B ( 8 ), b < 40

Tháng Bảy 15, 2022 Toán học 2 Comments 0 views

Toán Lớp 6: a) a ∈ U (18), a > 4
b) b ∈ B (6), b ≤ 36
c) a ∈ U(28), a < 8 d) b ∈ B ( 8 ), b < 40

Comments ( 2 )

  1. dinhcongson
    dinhcongson
    15 Tháng Bảy, 2022 at 2:03 chiều
    Reply
    Gửi bạn chúc bạn học tốt!
             ~Gaconcute1809~
     

    toan-lop-6-a-a-u-18-a-4-b-b-b-6-b-36-c-a-u-28-a-8-d-b-b-8-b-40

  2. lyly98
    lyly98
    15 Tháng Bảy, 2022 at 2:03 chiều
    Reply
    a)a in Ư(18)={1;2;3;6;9;18}
    Vì a>4=> a in {6;9;18}
    b)b in B(6)={0;6;12;18;24; 30;36;…}
    Vì b≤36=> b in{0;6;12;18;24; 30;36}
    c) a in Ư(28)={1; 2; 4; 7; 14; 28}
    Vì a<8=>a in {1;2;4;7}
    d)b in B(8)={0;8;16;24;32;40;…}
    Vì b<40=>b in {0;8;16;24;32;40}  

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

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