Register Now

Login

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

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

Toán Lớp 5: 1x,63+6,y4+17,3z và x,yz+15,04+21,93

Toán Lớp 5: 1x,63+6,y4+17,3z và x,yz+15,04+21,93

Comments ( 2 )

  1. Đáp án:
     
    Giải thích các bước giải:
     

    toan-lop-5-1-63-6-y4-17-3z-va-yz-15-04-21-93

  2. \overline{1x,63} + \overline{6,y4} + \overline{17,3z}
    = 10,63 + 6,04 + 17,3 + x + \overline{0,y} + \overline{0,0z}
    = 33,97 + \overline{x,yz}
    ——–
    \overline{x,yz} + 15,04 + 21,93
    = \overline{x,yz} + 36,97
    Ta có :
    \overline{x,yz} = \overline{x,yz}
    33,97 < 36,97
    => 33,97 + \overline{x,yz} < \overline{x,yz} + 36,97
    Vậy \overline{1x,63} + \overline{6,y4} + \overline{17,3z} < \overline{x,yz} + 15,04 + 21,93
    #dtkc
     

Leave a reply

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