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

Toán Lớp 5: 18, 75 + 17, 25 + 15,75 + 14,25 + 5,25 + 3,75 + 2,25

Toán Lớp 5: 18, 75 + 17, 25 + 15,75 + 14,25 + 5,25 + 3,75 + 2,25

Comments ( 2 )

  1. 18,75+17,25+15,75+14,25+5,25+3,75+2,25
    =(18,75+2,25)+(17,25+3,75)+(15,75+5,25)+14,25
    =21+21+21+14,25
    =21xx3+14,25
    =63+14,25
    =77,25
     

  2. Giải đáp + Lời giải và giải thích chi tiết :
    18, 75 + 17, 25 + 15,75 + 14,25 + 5,25 + 3,75 + 2,25
    = ( 18, 75 + 17, 25 ) + ( 15,75 + 14,25 ) + ( 5,25 + 3,75 ) + 2,25
    = 36 + 30 + 9 + 2,25
    = 66 + 9 + 2,25
    = 75 + 2,25
    = 77,25
    $# Mon $
    $# Xin Hay Nhất $

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

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