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

Toán Lớp 7: a. 2/3 – (2- 1/3) + 3/2 + ( 0,75) độ

Toán Lớp 7: a. 2/3 – (2- 1/3) + 3/2 + ( 0,75) độ

Comments ( 2 )

  1. Answer
    2/3 – (2 – 1/3) + 3/2 + 0,75
    = 2/3 – 2 + 1/3 + 3/2 + 3/4
    = (2/3 + 1/3) + (3/2 + 3/4) – 2
    = 1 + 9/4 – 2
    = (1 – 2) + 9/4
    = -1 + 9/4
    = 5/4

  2. Giải đáp+Lời giải và giải thích chi tiết:
    $\text{#dangduyle21}$
    2/3 – (2- 1/3) + 3/2 + ( 0,75)^0
    =2/3 – 2+1/3 + 3/2 + 1
    =2/3 +1/3- 2 + 3/2 + 1
    =1-1/2 + 1
    =2/2-1/2 + 2/2
    =1/2 + 2/2
    =3/2
    $\text{Xin hay nhất ạ !}$

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