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

Toán Lớp 6: Tính hợp lí nhất: (-25 + 97 ) – ( -346 + 25 + 97 )

Toán Lớp 6: Tính hợp lí nhất:
(-25 + 97 ) – ( -346 + 25 + 97 )

Comments ( 2 )

  1. Lời giải chi tiết:
    (-25+97)-(-346+25+97)
    =-25+97+346-25-97
    =(-25-25)+(-97+97)+346
    =-50+0+346
    =296

  2. (-25 + 97 ) – ( -346 + 25 + 97 )
    = -25 + 97 + 346 – 25 – 97
    = (-25 – 25 ) – ( 97 – 97 ) + 346
    = -50 – 0 + 346
    = 296
     

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

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