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

Toán Lớp 6: (-14) + (-77) + 87 + (-13) + 24 + (-23) + 23 + 33

Toán Lớp 6: (-14) + (-77) + 87 + (-13) + 24 + (-23) + 23 + 33

Comments ( 2 )

  1. Giải đáp:
     $(-14)+(-77)+87+(-13)+24+(-23)+28+33$
    $= [(-14)+24]+[(-77)+87]+[(-23)+33]+[(-13)+28]$
    $= 10+10+10+15$
    $= 45$
    $@WIN$
     

  2. ( -14 ) + ( -77 ) + 87 + ( -13 ) + 24 + ( -23 ) + 23 + 33
    = ( -14 + 24 ) + ( -77 + 87 ) + ( -13 + 33 ) + ( -23 + 23 )
    = 10 + 10 + 20 + 0
    = 20 + 20
    = 40

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