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

Toán Lớp 6: bỏ ngoặc tiếp ạ 39+(13-26)-(62+39)

Toán Lớp 6: bỏ ngoặc tiếp ạ
39+(13-26)-(62+39)

Comments ( 2 )

  1. 39 + (13 – 26) – (62 + 39)
    = 39 + 13 – 26 – 62 – 39
    = 52 – 26 – 62 – 39
    = 26 – 62 – 39
    = -36 – 39
    = -75

  2. $39+(13-26)-(62+39)$
    $=39+13-26-62-39$
    $=52-26-62-39$
    $=26-62-39$
    $=-36-39$
    $= -75$

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