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

Toán Lớp 6: 1/1×3 +1/2×3 +1/2×5+ 1/3×5+ 1/3×7 +1/4×7 +1/4×9

Tháng Hai 12, 2023 Toán học 2 Comments 0 views

Toán Lớp 6: 1/1×3 +1/2×3 +1/2×5+ 1/3×5+ 1/3×7 +1/4×7 +1/4×9

Comments ( 2 )

  1. kymmailien
    kymmailien
    12 Tháng Hai, 2023 at 7:56 chiều
    Reply
    1/1×3+1/2×3+1/2×5+1/3×5+1/3×7+1/4×7+1/4×9
    =3+1/2 .(3+5)+1/3 .(5+7)+1/4 .(7+9)
    =3+1/2 .8+1/3 .12+1/4 .16
    =3+8/2+12/3+16/4
    =3+4+4+4
    =15
    $@ThanhTruc2008$

  2. maitrucloan
    maitrucloan
    12 Tháng Hai, 2023 at 7:56 chiều
    Reply
    Chữ hơi xấu :))

    toan-lop-6-1-13-1-23-1-25-1-35-1-37-1-47-1-49

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

Kim Xuân

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