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

Toán Lớp 5: (???? + 34) + (???? + 11) + (???? + 60) + (3 x ???? + 83) = 740

Toán Lớp 5: (???? + 34) + (???? + 11) + (???? + 60) + (3 x ???? + 83) = 740

Comments ( 2 )

  1. Lời giải chi tiết:
    (x + 34) + (x + 11) + (x+ 60) + (3 xx x + 83) = 740
    x+34+x+11+x+60+3\timesx+83=740
    (x+x+x+3\timesx)+(34+11+60+83)=740
    (1+1+1+3)\timesx+188=740
    6\timesx=740-188
    6\timesx=552
    x=552:6
    x=92
    Vậy x=92

  2. (???? + 34) + (???? + 11) + (???? + 60) + (3 x ???? + 83) = 740 
    ( ???? + ???? + ???? + 3 x ???? ) + ( 34+11+60+83) = 740 
    ???? x 6 + 188 = 740
    ???? x 6 = 740 – 188 = 552
    ???? = 552 : 6
    ???? = 92
     

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

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