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

Toán Lớp 6: tìm x biết : 2x +3/10 =15/6 ×6/11

Toán Lớp 6: tìm x biết : 2x +3/10 =15/6 ×6/11

Comments ( 2 )

  1. 2x + 3/10 = 15/6 xx 6/11
    ⇔ 2x + 3/10 = 15/11
    ⇔ 2x = 15/11 – 3/10
    ⇔ 2x = 117/110
    ⇔ x = 117/110 : 2
    ⇔ x = 117/220
    Vậy , x = 117/220 .

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

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