(1/2+0.8-4/3).(2.3+47/25-1,28) gggggggggggggggggggggggggggggggggg

(1/2+0.8-4/3).(2.3+47/25-1,28)
gggggggggggggggggggggggggggggggggg

0 bình luận về “(1/2+0.8-4/3).(2.3+47/25-1,28) gggggggggggggggggggggggggggggggggg”

  1. (1/2 + 0,8 – 4/3 ) . ( 2.3 + 47/25 – 1,28 )

    = ( 1/2 + 4/5 – 4/3 ) . ( 2.3 + 47/25 – 32/25 )

    = ( 5/10 + 8/10 – 4/3 ) . ( 6/1 + 47/25 – 32/25 )

    = (13/10 – 4/3) . ( 197/25 – 32/25 )

    = -1/30 . 33/5

    = -11/50

     

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