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

Toán Lớp 5: 1và 13/15 ( hỗn số ) x0,75- (11/20 +25% )

Toán Lớp 5: 1và 13/15 ( hỗn số ) x0,75- (11/20 +25% )

Comments ( 2 )

  1. 1 13/15 × 0,75 – ( 11/20 + 25% )
    = 28/15 × 3/4 – ( 11/20 + 1/4 )
    = 7/5 – 4/5
    = 3/5
    #dtkc
     

  2. 1va13/15 x 0,75 – (11/20 +25%)
    =28/15x 3/4 – (11/20 + 1/4)
    =28/15 x 3/4 -4/5
    =7/5-4/5
    =3/5
    CHÚC EM HỌC TỐT
    XIN CTLHN
     

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

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