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

Toán Lớp 6: `3/8 xx19 1/3-3/8 xx33 1/3=` Tính ?!?

Tháng Hai 15, 2023 Toán học 2 Comments 0 views

Toán Lớp 6: 3/8 xx19 1/3-3/8 xx33 1/3=
Tính ?!?

Comments ( 2 )

  1. dongoclandiem
    dongoclandiem
    15 Tháng Hai, 2023 at 2:23 chiều
    Reply
    Giải đáp:
    $\\$
    3/8 ×19 1/3 – 3/8 × 33 1/3
    = 3/8 × [19 1/3 – 33 1/3]
    = 3/8 × [19 + 1/3 – 33 – 1/3]
    = 3/8 × [(19 – 33) + (1/3 – 1/3)]
    = 3/8 × (-14)
    = (-21)/4

  2. tonhu12
    tonhu12
    15 Tháng Hai, 2023 at 2:23 chiều
    Reply
    3/8 × 19 1/3 – 3/8 × 33 1/13
    = 3/8 × (19 1/3 – 33 1/3)
    = 3/8 × (19 – 33)
    = 3/8 × (-14)
    = (-42)/8
    = (-21)/4

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

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